STM32F410 Peripheral Coverage

Overall: 2337/3110 fields covered

ADC1

0x40012000: Analog-to-digital converter

84/84 fields covered. Toggle Registers

Offset	Name	30	29	27	26	25	24	23	22	21	20	19	17	15	14	12	11	10	9	8	7	6	5	4	3	2	1	0
0x0	SR																						OVR	STRT	JSTRT	JEOC	EOC	AWD
0x4	CR1				OVRIE	RES		AWDEN	JAWDEN					DISCNUM		JDISCEN	DISCEN	JAUTO	AWDSGL	SCAN	JEOCIE	AWDIE	EOCIE	AWDCH
0x8	CR2	SWSTART	EXTEN	EXTSEL					JSWSTART	JEXTEN		JEXTSEL					ALIGN	EOCS	DDS	DMA							CONT	ADON
0xc	SMPR1				SMP18			SMP17			SMP16		SMP15	SMP15	SMP14		SMP13			SMP12			SMP11			SMP10
0x10	SMPR2		SMP9		SMP8			SMP7			SMP6		SMP5	SMP5	SMP4		SMP3			SMP2			SMP1			SMP0
0x14	JOFR[1]																JOFFSET
0x18	JOFR[2]																JOFFSET
0x1c	JOFR[3]																JOFFSET
0x20	JOFR[4]																JOFFSET
0x24	HTR																HT
0x28	LTR																LT
0x2c	SQR1							L				SQ16		SQ16	SQ15				SQ14					SQ13
0x30	SQR2		SQ12				SQ11					SQ10		SQ10	SQ9				SQ8					SQ7
0x34	SQR3		SQ6				SQ5					SQ4		SQ4	SQ3				SQ2					SQ1
0x38	JSQR									JL		JSQ4		JSQ4	JSQ3				JSQ2					JSQ1
0x3c	JDR[1]													JDATA
0x40	JDR[2]													JDATA
0x44	JDR[3]													JDATA
0x48	JDR[4]													JDATA
0x4c	DR													DATA

SR

status register

Offset: 0x0, reset: 0x00000000, access: read-write

6/6 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
										OVR rw	STRT rw	JSTRT rw	JEOC rw	EOC rw	AWD rw

Toggle Fields

AWD

Bit 0: Analog watchdog flag.

Allowed values:
0: NoEvent: No analog watchdog event occurred
1: Event: Analog watchdog event occurred

EOC

Bit 1: Regular channel end of conversion.

Allowed values:
0: NotComplete: Conversion is not complete
1: Complete: Conversion complete

JEOC

Bit 2: Injected channel end of conversion.

Allowed values:
0: NotComplete: Conversion is not complete
1: Complete: Conversion complete

JSTRT

Bit 3: Injected channel start flag.

Allowed values:
0: NotStarted: No injected channel conversion started
1: Started: Injected channel conversion has started

STRT

Bit 4: Regular channel start flag.

Allowed values:
0: NotStarted: No regular channel conversion started
1: Started: Regular channel conversion has started

OVR

Bit 5: Overrun.

Allowed values:
0: NoOverrun: No overrun occurred
1: Overrun: Overrun occurred

CR1

control register 1

Offset: 0x4, reset: 0x00000000, access: read-write

14/14 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
					OVRIE rw	RES rw		AWDEN rw	JAWDEN rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
DISCNUM rw			JDISCEN rw	DISCEN rw	JAUTO rw	AWDSGL rw	SCAN rw	JEOCIE rw	AWDIE rw	EOCIE rw	AWDCH rw

Toggle Fields

AWDCH

Bits 0-4: Analog watchdog channel select bits.

Allowed values: 0x0-0x12

EOCIE

Bit 5: Interrupt enable for EOC.

Allowed values:
0: Disabled: EOC interrupt disabled
1: Enabled: EOC interrupt enabled

AWDIE

Bit 6: Analog watchdog interrupt enable.

Allowed values:
0: Disabled: Analogue watchdog interrupt disabled
1: Enabled: Analogue watchdog interrupt enabled

JEOCIE

Bit 7: Interrupt enable for injected channels.

Allowed values:
0: Disabled: JEOC interrupt disabled
1: Enabled: JEOC interrupt enabled

SCAN

Bit 8: Scan mode.

Allowed values:
0: Disabled: Scan mode disabled
1: Enabled: Scan mode enabled

AWDSGL

Bit 9: Enable the watchdog on a single channel in scan mode.

Allowed values:
0: AllChannels: Analog watchdog enabled on all channels
1: SingleChannel: Analog watchdog enabled on a single channel

JAUTO

Bit 10: Automatic injected group conversion.

Allowed values:
0: Disabled: Automatic injected group conversion disabled
1: Enabled: Automatic injected group conversion enabled

DISCEN

Bit 11: Discontinuous mode on regular channels.

Allowed values:
0: Disabled: Discontinuous mode on regular channels disabled
1: Enabled: Discontinuous mode on regular channels enabled

JDISCEN

Bit 12: Discontinuous mode on injected channels.

Allowed values:
0: Disabled: Discontinuous mode on injected channels disabled
1: Enabled: Discontinuous mode on injected channels enabled

DISCNUM

Bits 13-15: Discontinuous mode channel count.

Allowed values: 0x0-0x7

JAWDEN

Bit 22: Analog watchdog enable on injected channels.

Allowed values:
0: Disabled: Analog watchdog disabled on injected channels
1: Enabled: Analog watchdog enabled on injected channels

AWDEN

Bit 23: Analog watchdog enable on regular channels.

Allowed values:
0: Disabled: Analog watchdog disabled on regular channels
1: Enabled: Analog watchdog enabled on regular channels

RES

Bits 24-25: Resolution.

Allowed values:
0: TwelveBit: 12-bit (15 ADCCLK cycles)
1: TenBit: 10-bit (13 ADCCLK cycles)
2: EightBit: 8-bit (11 ADCCLK cycles)
3: SixBit: 6-bit (9 ADCCLK cycles)

OVRIE

Bit 26: Overrun interrupt enable.

Allowed values:
0: Disabled: Overrun interrupt disabled
1: Enabled: Overrun interrupt enabled

CR2

control register 2

Offset: 0x8, reset: 0x00000000, access: read-write

12/12 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
	SWSTART rw	EXTEN rw		EXTSEL rw					JSWSTART rw	JEXTEN rw		JEXTSEL rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
				ALIGN rw	EOCS rw	DDS rw	DMA rw							CONT rw	ADON rw

Toggle Fields

ADON

Bit 0: A/D Converter ON / OFF.

Allowed values:
0: Disabled: Disable ADC conversion and go to power down mode
1: Enabled: Enable ADC

CONT

Bit 1: Continuous conversion.

Allowed values:
0: Single: Single conversion mode
1: Continuous: Continuous conversion mode

DMA

Bit 8: Direct memory access mode (for single ADC mode).

Allowed values:
0: Disabled: DMA mode disabled
1: Enabled: DMA mode enabled

DDS

Bit 9: DMA disable selection (for single ADC mode).

Allowed values:
0: Single: No new DMA request is issued after the last transfer
1: Continuous: DMA requests are issued as long as data are converted and DMA=1

EOCS

Bit 10: End of conversion selection.

Allowed values:
0: EachSequence: The EOC bit is set at the end of each sequence of regular conversions
1: EachConversion: The EOC bit is set at the end of each regular conversion

ALIGN

Bit 11: Data alignment.

Allowed values:
0: Right: Right alignment
1: Left: Left alignment

JEXTSEL

Bits 16-19: External event select for injected group.

Allowed values:
0: TIM1TRGO: Timer 1 TRGO event
1: TIM1CC4: Timer 1 CC4 event
2: TIM2TRGO: Timer 2 TRGO event
3: TIM2CC1: Timer 2 CC1 event
4: TIM3CC4: Timer 3 CC4 event
5: TIM4TRGO: Timer 4 TRGO event
7: TIM8CC4: Timer 8 CC4 event
8: TIM1TRGO2: Timer 1 TRGO(2) event
9: TIM8TRGO: Timer 8 TRGO event
10: TIM8TRGO2: Timer 8 TRGO(2) event
11: TIM3CC3: Timer 3 CC3 event
12: TIM5TRGO: Timer 5 TRGO event
13: TIM3CC1: Timer 3 CC1 event
14: TIM6TRGO: Timer 6 TRGO event

JEXTEN

Bits 20-21: External trigger enable for injected channels.

Allowed values:
0: Disabled: Trigger detection disabled
1: RisingEdge: Trigger detection on the rising edge
2: FallingEdge: Trigger detection on the falling edge
3: BothEdges: Trigger detection on both the rising and falling edges

JSWSTART

Bit 22: Start conversion of injected channels.

Allowed values:
1: Start: Starts conversion of injected channels

EXTSEL

Bits 24-27: External event select for regular group.

Allowed values:
0: TIM1CC1: Timer 1 CC1 event
1: TIM1CC2: Timer 1 CC2 event
2: TIM1CC3: Timer 1 CC3 event
3: TIM2CC2: Timer 2 CC2 event
4: TIM2CC3: Timer 2 CC3 event
5: TIM2CC4: Timer 2 CC4 event
6: TIM2TRGO: Timer 2 TRGO event

EXTEN

Bits 28-29: External trigger enable for regular channels.

SWSTART

Bit 30: Start conversion of regular channels.

Allowed values:
1: Start: Starts conversion of regular channels

SMPR1

sample time register 1

Offset: 0xc, reset: 0x00000000, access: read-write

9/9 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
					SMP18 rw			SMP17 rw			SMP16 rw			SMP15 rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
SMP15 rw	SMP14 rw			SMP13 rw			SMP12 rw			SMP11 rw			SMP10 rw

Toggle Fields

SMP10

Bits 0-2: Channel 10 sampling time selection.

Allowed values:
0: Cycles3: 3 cycles
1: Cycles15: 15 cycles
2: Cycles28: 28 cycles
3: Cycles56: 56 cycles
4: Cycles84: 84 cycles
5: Cycles112: 112 cycles
6: Cycles144: 144 cycles
7: Cycles480: 480 cycles

SMP11

Bits 3-5: Channel 11 sampling time selection.

SMP12

Bits 6-8: Channel 12 sampling time selection.

SMP13

Bits 9-11: Channel 13 sampling time selection.

SMP14

Bits 12-14: Channel 14 sampling time selection.

SMP15

Bits 15-17: Channel 15 sampling time selection.

SMP16

Bits 18-20: Channel 16 sampling time selection.

SMP17

Bits 21-23: Channel 17 sampling time selection.

SMP18

Bits 24-26: Channel 18 sampling time selection.

SMPR2

sample time register 2

Offset: 0x10, reset: 0x00000000, access: read-write

10/10 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
		SMP9 rw			SMP8 rw			SMP7 rw			SMP6 rw			SMP5 rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
SMP5 rw	SMP4 rw			SMP3 rw			SMP2 rw			SMP1 rw			SMP0 rw

Toggle Fields

SMP0

Bits 0-2: Channel 0 sampling time selection.

SMP1

Bits 3-5: Channel 1 sampling time selection.

SMP2

Bits 6-8: Channel 2 sampling time selection.

SMP3

Bits 9-11: Channel 3 sampling time selection.

SMP4

Bits 12-14: Channel 4 sampling time selection.

SMP5

Bits 15-17: Channel 5 sampling time selection.

SMP6

Bits 18-20: Channel 6 sampling time selection.

SMP7

Bits 21-23: Channel 7 sampling time selection.

SMP8

Bits 24-26: Channel 8 sampling time selection.

SMP9

Bits 27-29: Channel 9 sampling time selection.

JOFR[1]

injected channel data offset register x

Offset: 0x14, reset: 0x00000000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
				JOFFSET rw

Toggle Fields

JOFFSET

Bits 0-11: Data offset for injected channel x.

Allowed values: 0x0-0xfff

JOFR[2]

injected channel data offset register x

Offset: 0x18, reset: 0x00000000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
				JOFFSET rw

Toggle Fields

JOFFSET

Bits 0-11: Data offset for injected channel x.

Allowed values: 0x0-0xfff

JOFR[3]

injected channel data offset register x

Offset: 0x1c, reset: 0x00000000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
				JOFFSET rw

Toggle Fields

JOFFSET

Bits 0-11: Data offset for injected channel x.

Allowed values: 0x0-0xfff

JOFR[4]

injected channel data offset register x

Offset: 0x20, reset: 0x00000000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
				JOFFSET rw

Toggle Fields

JOFFSET

Bits 0-11: Data offset for injected channel x.

Allowed values: 0x0-0xfff

HTR

watchdog higher threshold register

Offset: 0x24, reset: 0x00000FFF, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
				HT rw

Toggle Fields

HT

Bits 0-11: Analog watchdog higher threshold.

Allowed values: 0x0-0xfff

LTR

watchdog lower threshold register

Offset: 0x28, reset: 0x00000000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
				LT rw

Toggle Fields

LT

Bits 0-11: Analog watchdog lower threshold.

Allowed values: 0x0-0xfff

SQR1

regular sequence register 1

Offset: 0x2c, reset: 0x00000000, access: read-write

5/5 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
								L rw				SQ16 rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
SQ16 rw	SQ15 rw					SQ14 rw					SQ13 rw

Toggle Fields

SQ13

Bits 0-4: 13th conversion in regular sequence.

Allowed values: 0x0-0x12

SQ14

Bits 5-9: 14th conversion in regular sequence.

Allowed values: 0x0-0x12

SQ15

Bits 10-14: 15th conversion in regular sequence.

Allowed values: 0x0-0x12

SQ16

Bits 15-19: 16th conversion in regular sequence.

Allowed values: 0x0-0x12

L

Bits 20-23: Regular channel sequence length.

Allowed values: 0x0-0xf

SQR2

regular sequence register 2

Offset: 0x30, reset: 0x00000000, access: read-write

6/6 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
		SQ12 rw					SQ11 rw					SQ10 rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
SQ10 rw	SQ9 rw					SQ8 rw					SQ7 rw

Toggle Fields

SQ7

Bits 0-4: 7th conversion in regular sequence.

Allowed values: 0x0-0x12

SQ8

Bits 5-9: 8th conversion in regular sequence.

Allowed values: 0x0-0x12

SQ9

Bits 10-14: 9th conversion in regular sequence.

Allowed values: 0x0-0x12

SQ10

Bits 15-19: 10th conversion in regular sequence.

Allowed values: 0x0-0x12

SQ11

Bits 20-24: 11th conversion in regular sequence.

Allowed values: 0x0-0x12

SQ12

Bits 25-29: 12th conversion in regular sequence.

Allowed values: 0x0-0x12

SQR3

regular sequence register 3

Offset: 0x34, reset: 0x00000000, access: read-write

6/6 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
		SQ6 rw					SQ5 rw					SQ4 rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
SQ4 rw	SQ3 rw					SQ2 rw					SQ1 rw

Toggle Fields

SQ1

Bits 0-4: 1st conversion in regular sequence.

Allowed values: 0x0-0x12

SQ2

Bits 5-9: 2nd conversion in regular sequence.

Allowed values: 0x0-0x12

SQ3

Bits 10-14: 3rd conversion in regular sequence.

Allowed values: 0x0-0x12

SQ4

Bits 15-19: 4th conversion in regular sequence.

Allowed values: 0x0-0x12

SQ5

Bits 20-24: 5th conversion in regular sequence.

Allowed values: 0x0-0x12

SQ6

Bits 25-29: 6th conversion in regular sequence.

Allowed values: 0x0-0x12

JSQR

injected sequence register

Offset: 0x38, reset: 0x00000000, access: read-write

5/5 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
										JL rw		JSQ4 rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
JSQ4 rw	JSQ3 rw					JSQ2 rw					JSQ1 rw

Toggle Fields

JSQ1

Bits 0-4: 1st conversion in injected sequence.

Allowed values: 0x0-0x12

JSQ2

Bits 5-9: 2nd conversion in injected sequence.

Allowed values: 0x0-0x12

JSQ3

Bits 10-14: 3rd conversion in injected sequence.

Allowed values: 0x0-0x12

JSQ4

Bits 15-19: 4th conversion in injected sequence.

Allowed values: 0x0-0x12

JL

Bits 20-21: Injected sequence length.

Allowed values: 0x0-0x3

JDR[1]

injected data register x

Offset: 0x3c, reset: 0x00000000, access: read-only

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
JDATA r

Toggle Fields

JDATA

Bits 0-15: Injected data.

JDR[2]

injected data register x

Offset: 0x40, reset: 0x00000000, access: read-only

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
JDATA r

Toggle Fields

JDATA

Bits 0-15: Injected data.

JDR[3]

injected data register x

Offset: 0x44, reset: 0x00000000, access: read-only

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
JDATA r

Toggle Fields

JDATA

Bits 0-15: Injected data.

JDR[4]

injected data register x

Offset: 0x48, reset: 0x00000000, access: read-only

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
JDATA r

Toggle Fields

JDATA

Bits 0-15: Injected data.

DR

regular data register

Offset: 0x4c, reset: 0x00000000, access: read-only

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
DATA r

Toggle Fields

DATA

Bits 0-15: Regular data.

ADC_Common

0x40012300: ADC common registers

9/9 fields covered. Toggle Registers

Show register map

Offset	Name	31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16	15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
0x0	CSR																											OVR1	STRT1	JSTRT1	JEOC1	EOC1	AWD1
0x4	CCR									TSVREFE	VBATE					ADCPRE

CSR

ADC Common status register

Offset: 0x0, reset: 0x00000000, access: read-only

6/6 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
										OVR1 r	STRT1 r	JSTRT1 r	JEOC1 r	EOC1 r	AWD1 r

Toggle Fields

AWD1

Bit 0: Analog watchdog flag of ADC 1.

Allowed values:
0: NoEvent: No analog watchdog event occurred
1: Event: Analog watchdog event occurred

EOC1

Bit 1: End of conversion of ADC 1.

Allowed values:
0: NotComplete: Conversion is not complete
1: Complete: Conversion complete

JEOC1

Bit 2: Injected channel end of conversion of ADC 1.

Allowed values:
0: NotComplete: Conversion is not complete
1: Complete: Conversion complete

JSTRT1

Bit 3: Injected channel Start flag of ADC 1.

Allowed values:
0: NotStarted: No injected channel conversion started
1: Started: Injected channel conversion has started

STRT1

Bit 4: Regular channel Start flag of ADC 1.

Allowed values:
0: NotStarted: No regular channel conversion started
1: Started: Regular channel conversion has started

OVR1

Bit 5: Overrun flag of ADC 1.

Allowed values:
0: NoOverrun: No overrun occurred
1: Overrun: Overrun occurred

CCR

ADC common control register

Offset: 0x4, reset: 0x00000000, access: read-write

3/3 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
								TSVREFE rw	VBATE rw					ADCPRE rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0

Toggle Fields

ADCPRE

Bits 16-17: ADC prescaler.

Allowed values:
0: Div2: PCLK2 divided by 2
1: Div4: PCLK2 divided by 4
2: Div6: PCLK2 divided by 6
3: Div8: PCLK2 divided by 8

VBATE

Bit 22: VBAT enable.

Allowed values:
0: Disabled: V_BAT channel disabled
1: Enabled: V_BAT channel enabled

TSVREFE

Bit 23: Temperature sensor and VREFINT enable.

Allowed values:
0: Disabled: Temperature sensor and V_REFINT channel disabled
1: Enabled: Temperature sensor and V_REFINT channel enabled

CRC

0x40023000: Cryptographic processor

3/3 fields covered. Toggle Registers

Show register map

Offset	Name	31	15	7	0
0x0	DR	DR	DR
0x4	IDR			IDR
0x8	CR				RESET

DR

Data register

Offset: 0x0, reset: 0xFFFFFFFF, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
DR rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
DR rw

Toggle Fields

DR

Bits 0-31: Data Register.

Allowed values: 0x0-0xffffffff

IDR

Independent Data register

Offset: 0x4, reset: 0x00000000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
								IDR rw

Toggle Fields

IDR

Bits 0-7: Independent Data register.

Allowed values: 0x0-0xff

CR

Control register

Offset: 0x8, reset: 0x00000000, access: write-only

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
															RESET w

Toggle Fields

RESET

Bit 0: Control regidter.

Allowed values:
1: Reset: Resets the CRC calculation unit and sets the data register to 0xFFFF FFFF

DAC

0x40007400: Digital-to-analog converter

34/34 fields covered. Toggle Registers

Show register map

Offset	Name	31	29	28	27	23	21	18	17	16	15	13	12	11	7	5	2	1	0
0x0	CR		DMAUDRIE2	DMAEN2	MAMP2	WAVE2	TSEL2	TEN2	BOFF2	EN2		DMAUDRIE1	DMAEN1	MAMP1	WAVE1	TSEL1	TEN1	BOFF1	EN1
0x4	SWTRIGR																	SWTRIG2	SWTRIG1
0x8	DHR12R1													DACC1DHR
0xc	DHR12L1										DACC1DHR
0x10	DHR8R1														DACC1DHR
0x14	DHR12R2													DACC2DHR
0x18	DHR12L2										DACC2DHR
0x1c	DHR8R2														DACC2DHR
0x20	DHR12RD				DACC2DHR									DACC1DHR
0x24	DHR12LD	DACC2DHR									DACC1DHR
0x28	DHR8RD										DACC2DHR				DACC1DHR
0x2c	DOR1													DACC1DOR
0x30	DOR2													DACC2DOR
0x34	SR		DMAUDR2									DMAUDR1

CR

control register

Offset: 0x0, reset: 0x00000000, access: read-write

16/16 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
		DMAUDRIE2 rw	DMAEN2 rw	MAMP2 rw				WAVE2 rw		TSEL2 rw			TEN2 rw	BOFF2 rw	EN2 rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
		DMAUDRIE1 rw	DMAEN1 rw	MAMP1 rw				WAVE1 rw		TSEL1 rw			TEN1 rw	BOFF1 rw	EN1 rw

Toggle Fields

EN1

Bit 0: DAC channel1 enable.

Allowed values:
0: Disabled: DAC channel X disabled
1: Enabled: DAC channel X enabled

BOFF1

Bit 1: DAC channel1 output buffer disable.

Allowed values:
0: Enabled: DAC channel X output buffer enabled
1: Disabled: DAC channel X output buffer disabled

TEN1

Bit 2: DAC channel1 trigger enable.

Allowed values:
0: Disabled: DAC channel X trigger disabled
1: Enabled: DAC channel X trigger enabled

TSEL1

Bits 3-5: DAC channel1 trigger selection.

Allowed values:
0: TIM6_TRGO: Timer 6 TRGO event
1: TIM3_TRGO: Timer 3 TRGO event
2: TIM7_TRGO: Timer 7 TRGO event
3: TIM15_TRGO: Timer 15 TRGO event
4: TIM2_TRGO: Timer 2 TRGO event
6: EXTI9: EXTI line9
7: SOFTWARE: Software trigger

WAVE1

Bits 6-7: DAC channel1 noise/triangle wave generation enable.

Allowed values:
0: Disabled: Wave generation disabled
1: Noise: Noise wave generation enabled
2: Triangle: Triangle wave generation enabled

MAMP1

Bits 8-11: DAC channel1 mask/amplitude selector.

Allowed values: 0x0-0xf

DMAEN1

Bit 12: DAC channel1 DMA enable.

Allowed values:
0: Disabled: DAC channel X DMA mode disabled
1: Enabled: DAC channel X DMA mode enabled

DMAUDRIE1

Bit 13: DAC channel1 DMA Underrun Interrupt enable.

Allowed values:
0: Disabled: DAC channel X DMA Underrun Interrupt disabled
1: Enabled: DAC channel X DMA Underrun Interrupt enabled

EN2

Bit 16: DAC channel2 enable.

Allowed values:
0: Disabled: DAC channel X disabled
1: Enabled: DAC channel X enabled

BOFF2

Bit 17: DAC channel2 output buffer disable.

Allowed values:
0: Enabled: DAC channel X output buffer enabled
1: Disabled: DAC channel X output buffer disabled

TEN2

Bit 18: DAC channel2 trigger enable.

Allowed values:
0: Disabled: DAC channel X trigger disabled
1: Enabled: DAC channel X trigger enabled

TSEL2

Bits 19-21: DAC channel2 trigger selection.

Allowed values:
0: TIM6_TRGO: Timer 6 TRGO event
1: TIM8_TRGO: Timer 8 TRGO event
2: TIM7_TRGO: Timer 7 TRGO event
3: TIM5_TRGO: Timer 5 TRGO event
4: TIM2_TRGO: Timer 2 TRGO event
5: TIM4_TRGO: Timer 4 TRGO event
6: EXTI9: EXTI line9
7: SOFTWARE: Software trigger

WAVE2

Bits 22-23: DAC channel2 noise/triangle wave generation enable.

Allowed values:
0: Disabled: Wave generation disabled
1: Noise: Noise wave generation enabled
2: Triangle: Triangle wave generation enabled

MAMP2

Bits 24-27: DAC channel2 mask/amplitude selector.

Allowed values: 0x0-0xf

DMAEN2

Bit 28: DAC channel2 DMA enable.

Allowed values:
0: Disabled: DAC channel X DMA mode disabled
1: Enabled: DAC channel X DMA mode enabled

DMAUDRIE2

Bit 29: DAC channel2 DMA underrun interrupt enable.

Allowed values:
0: Disabled: DAC channel X DMA Underrun Interrupt disabled
1: Enabled: DAC channel X DMA Underrun Interrupt enabled

SWTRIGR

software trigger register

Offset: 0x4, reset: 0x00000000, access: write-only

2/2 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
														SWTRIG2 w	SWTRIG1 w

Toggle Fields

SWTRIG1

Bit 0: DAC channel1 software trigger.

Allowed values:
0: Disabled: DAC channel X software trigger disabled
1: Enabled: DAC channel X software trigger enabled

SWTRIG2

Bit 1: DAC channel2 software trigger.

Allowed values:
0: Disabled: DAC channel X software trigger disabled
1: Enabled: DAC channel X software trigger enabled

DHR12R1

channel1 12-bit right-aligned data holding register

Offset: 0x8, reset: 0x00000000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
				DACC1DHR rw

Toggle Fields

DACC1DHR

Bits 0-11: DAC channel1 12-bit right-aligned data.

Allowed values: 0x0-0xfff

DHR12L1

channel1 12-bit left aligned data holding register

Offset: 0xc, reset: 0x00000000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
DACC1DHR rw

Toggle Fields

DACC1DHR

Bits 4-15: DAC channel1 12-bit left-aligned data.

Allowed values: 0x0-0xfff

DHR8R1

channel1 8-bit right aligned data holding register

Offset: 0x10, reset: 0x00000000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
								DACC1DHR rw

Toggle Fields

DACC1DHR

Bits 0-7: DAC channel1 8-bit right-aligned data.

Allowed values: 0x0-0xff

DHR12R2

channel2 12-bit right aligned data holding register

Offset: 0x14, reset: 0x00000000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
				DACC2DHR rw

Toggle Fields

DACC2DHR

Bits 0-11: DAC channel2 12-bit right-aligned data.

Allowed values: 0x0-0xfff

DHR12L2

channel2 12-bit left aligned data holding register

Offset: 0x18, reset: 0x00000000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
DACC2DHR rw

Toggle Fields

DACC2DHR

Bits 4-15: DAC channel2 12-bit left-aligned data.

Allowed values: 0x0-0xfff

DHR8R2

channel2 8-bit right-aligned data holding register

Offset: 0x1c, reset: 0x00000000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
								DACC2DHR rw

Toggle Fields

DACC2DHR

Bits 0-7: DAC channel2 8-bit right-aligned data.

Allowed values: 0x0-0xff

DHR12RD

Dual DAC 12-bit right-aligned data holding register

Offset: 0x20, reset: 0x00000000, access: read-write

2/2 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
				DACC2DHR rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
				DACC1DHR rw

Toggle Fields

DACC1DHR

Bits 0-11: DAC channel1 12-bit right-aligned data.

Allowed values: 0x0-0xfff

DACC2DHR

Bits 16-27: DAC channel2 12-bit right-aligned data.

Allowed values: 0x0-0xfff

DHR12LD

DUAL DAC 12-bit left aligned data holding register

Offset: 0x24, reset: 0x00000000, access: read-write

2/2 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
DACC2DHR rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
DACC1DHR rw

Toggle Fields

DACC1DHR

Bits 4-15: DAC channel1 12-bit left-aligned data.

Allowed values: 0x0-0xfff

DACC2DHR

Bits 20-31: DAC channel2 12-bit left-aligned data.

Allowed values: 0x0-0xfff

DHR8RD

DUAL DAC 8-bit right aligned data holding register

Offset: 0x28, reset: 0x00000000, access: read-write

2/2 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
DACC2DHR rw								DACC1DHR rw

Toggle Fields

DACC1DHR

Bits 0-7: DAC channel1 8-bit right-aligned data.

Allowed values: 0x0-0xff

DACC2DHR

Bits 8-15: DAC channel2 8-bit right-aligned data.

Allowed values: 0x0-0xff

DOR1

channel1 data output register

Offset: 0x2c, reset: 0x00000000, access: read-only

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
				DACC1DOR r

Toggle Fields

DACC1DOR

Bits 0-11: DAC channel1 data output.

DOR2

channel2 data output register

Offset: 0x30, reset: 0x00000000, access: read-only

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
				DACC2DOR r

Toggle Fields

DACC2DOR

Bits 0-11: DAC channel2 data output.

SR

status register

Offset: 0x34, reset: 0x00000000, access: read-write

2/2 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
		DMAUDR2 rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
		DMAUDR1 rw

Toggle Fields

DMAUDR1

Bit 13: DAC channel1 DMA underrun flag.

Allowed values:
0: NoUnderrun: No DMA underrun error condition occurred for DAC channel X
1: Underrun: DMA underrun error condition occurred for DAC channel X

DMAUDR2

Bit 29: DAC channel2 DMA underrun flag.

Allowed values:
0: NoUnderrun: No DMA underrun error condition occurred for DAC channel X
1: Underrun: DMA underrun error condition occurred for DAC channel X

DBGMCU

0xe0042000: Debug support

2/21 fields covered. Toggle Registers

Show register map

Offset	Name	31	23	22	21	18	17	16	12	11	10	7	5	3	2	1	0
0x0	IDCODE	REV_ID								DEV_ID
0x4	CR											TRACE_MODE	TRACE_IOEN		DBG_STANDBY	DBG_STOP	DBG_SLEEP
0x8	APB1_FZ		DBG_I2C3SMBUS_TIMEOUT	DBG_I2C2_SMBUS_TIMEOUT	DBG_I2C1_SMBUS_TIMEOUT				DBG_IWDG_STOP	DBG_WWDG_STOP	DBG_RTC_Stop			DBG_TIM5_STOP	DBG_TIM4_STOP	DBG_TIM3_STOP	DBG_TIM2_STOP
0xc	APB2_FZ					DBG_TIM11_STOP	DBG_TIM10_STOP	DBG_TIM9_STOP									DBG_TIM1_STOP

IDCODE

Offset: 0x0, reset: 0x10006411, access: read-only

2/2 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
REV_ID r
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
				DEV_ID r

Toggle Fields

DEV_ID

Bits 0-11: DEV_ID.

REV_ID

Bits 16-31: REV_ID.

CR

Control Register

Offset: 0x4, reset: 0x00000000, access: read-write

0/5 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
								TRACE_MODE rw		TRACE_IOEN rw			DBG_STANDBY rw	DBG_STOP rw	DBG_SLEEP rw

Toggle Fields

DBG_SLEEP

Bit 0: DBG_SLEEP.

DBG_STOP

Bit 1: DBG_STOP.

DBG_STANDBY

Bit 2: DBG_STANDBY.

TRACE_IOEN

Bit 5: TRACE_IOEN.

TRACE_MODE

Bits 6-7: TRACE_MODE.

APB1_FZ

Debug MCU APB1 Freeze registe

Offset: 0x8, reset: 0x00000000, access: read-write

0/10 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
								DBG_I2C3SMBUS_TIMEOUT rw	DBG_I2C2_SMBUS_TIMEOUT rw	DBG_I2C1_SMBUS_TIMEOUT rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
			DBG_IWDG_STOP rw	DBG_WWDG_STOP rw	DBG_RTC_Stop rw							DBG_TIM5_STOP rw	DBG_TIM4_STOP rw	DBG_TIM3_STOP rw	DBG_TIM2_STOP rw

Toggle Fields

DBG_TIM2_STOP

Bit 0: DBG_TIM2_STOP.

DBG_TIM3_STOP

Bit 1: DBG_TIM3 _STOP.

DBG_TIM4_STOP

Bit 2: DBG_TIM4_STOP.

DBG_TIM5_STOP

Bit 3: DBG_TIM5_STOP.

DBG_RTC_Stop

Bit 10: RTC stopped when Core is halted.

DBG_WWDG_STOP

Bit 11: DBG_WWDG_STOP.

DBG_IWDG_STOP

Bit 12: DBG_IWDEG_STOP.

DBG_I2C1_SMBUS_TIMEOUT

Bit 21: DBG_J2C1_SMBUS_TIMEOUT.

DBG_I2C2_SMBUS_TIMEOUT

Bit 22: DBG_J2C2_SMBUS_TIMEOUT.

DBG_I2C3SMBUS_TIMEOUT

Bit 23: DBG_J2C3SMBUS_TIMEOUT.

APB2_FZ

Debug MCU APB2 Freeze registe

Offset: 0xc, reset: 0x00000000, access: read-write

0/4 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
													DBG_TIM11_STOP rw	DBG_TIM10_STOP rw	DBG_TIM9_STOP rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
															DBG_TIM1_STOP rw

Toggle Fields

DBG_TIM1_STOP

Bit 0: TIM1 counter stopped when core is halted.

DBG_TIM9_STOP

Bit 16: TIM9 counter stopped when core is halted.

DBG_TIM10_STOP

Bit 17: TIM10 counter stopped when core is halted.

DBG_TIM11_STOP

Bit 18: TIM11 counter stopped when core is halted.

DMA1

0x40026000: DMA controller

272/296 fields covered. Toggle Registers

Show register map

Offset	Name	31	27	26	25	24	22	21	20	19	18	17	16	15	14	12	11	10	9	8	7	6	5	4	3	2	1	0
0x0	LISR		TCIF3	HTIF3	TEIF3	DMEIF3	FEIF3	TCIF2	HTIF2	TEIF2	DMEIF2		FEIF2				TCIF1	HTIF1	TEIF1	DMEIF1		FEIF1	TCIF0	HTIF0	TEIF0	DMEIF0		FEIF0
0x4	HISR		TCIF7	HTIF7	TEIF7	DMEIF7	FEIF7	TCIF6	HTIF6	TEIF6	DMEIF6		FEIF6				TCIF5	HTIF5	TEIF5	DMEIF5		FEIF5	TCIF4	HTIF4	TEIF4	DMEIF4		FEIF4
0x8	LIFCR		CTCIF3	CHTIF3	CTEIF3	CDMEIF3	CFEIF3	CTCIF2	CHTIF2	CTEIF2	CDMEIF2		CFEIF2				CTCIF1	CHTIF1	CTEIF1	CDMEIF1		CFEIF1	CTCIF0	CHTIF0	CTEIF0	CDMEIF0		CFEIF0
0xc	HIFCR		CTCIF7	CHTIF7	CTEIF7	CDMEIF7	CFEIF7	CTCIF6	CHTIF6	CTEIF6	CDMEIF6		CFEIF6				CTCIF5	CHTIF5	CTEIF5	CDMEIF5		CFEIF5	CTCIF4	CHTIF4	CTEIF4	CDMEIF4		CFEIF4
0x10	CR [0]		CHSEL			MBURST	PBURST			CT	DBM	PL		PINCOS	MSIZE	PSIZE		MINC	PINC	CIRC	DIR		PFCTRL	TCIE	HTIE	TEIE	DMEIE	EN
0x14	NDTR [0]													NDT
0x18	PAR [0]	PA												PA
0x1c	M0AR [0]	M0A												M0A
0x20	M1AR [0]	M1A												M1A
0x24	FCR [0]																				FEIE		FS			DMDIS	FTH
0x28	CR [1]		CHSEL			MBURST	PBURST			CT	DBM	PL		PINCOS	MSIZE	PSIZE		MINC	PINC	CIRC	DIR		PFCTRL	TCIE	HTIE	TEIE	DMEIE	EN
0x2c	NDTR [1]													NDT
0x30	PAR [1]	PA												PA
0x34	M0AR [1]	M0A												M0A
0x38	M1AR [1]	M1A												M1A
0x3c	FCR [1]																				FEIE		FS			DMDIS	FTH
0x40	CR [2]		CHSEL			MBURST	PBURST			CT	DBM	PL		PINCOS	MSIZE	PSIZE		MINC	PINC	CIRC	DIR		PFCTRL	TCIE	HTIE	TEIE	DMEIE	EN
0x44	NDTR [2]													NDT
0x48	PAR [2]	PA												PA
0x4c	M0AR [2]	M0A												M0A
0x50	M1AR [2]	M1A												M1A
0x54	FCR [2]																				FEIE		FS			DMDIS	FTH
0x58	CR [3]		CHSEL			MBURST	PBURST			CT	DBM	PL		PINCOS	MSIZE	PSIZE		MINC	PINC	CIRC	DIR		PFCTRL	TCIE	HTIE	TEIE	DMEIE	EN
0x5c	NDTR [3]													NDT
0x60	PAR [3]	PA												PA
0x64	M0AR [3]	M0A												M0A
0x68	M1AR [3]	M1A												M1A
0x6c	FCR [3]																				FEIE		FS			DMDIS	FTH
0x70	CR [4]		CHSEL			MBURST	PBURST			CT	DBM	PL		PINCOS	MSIZE	PSIZE		MINC	PINC	CIRC	DIR		PFCTRL	TCIE	HTIE	TEIE	DMEIE	EN
0x74	NDTR [4]													NDT
0x78	PAR [4]	PA												PA
0x7c	M0AR [4]	M0A												M0A
0x80	M1AR [4]	M1A												M1A
0x84	FCR [4]																				FEIE		FS			DMDIS	FTH
0x88	CR [5]		CHSEL			MBURST	PBURST			CT	DBM	PL		PINCOS	MSIZE	PSIZE		MINC	PINC	CIRC	DIR		PFCTRL	TCIE	HTIE	TEIE	DMEIE	EN
0x8c	NDTR [5]													NDT
0x90	PAR [5]	PA												PA
0x94	M0AR [5]	M0A												M0A
0x98	M1AR [5]	M1A												M1A
0x9c	FCR [5]																				FEIE		FS			DMDIS	FTH
0xa0	CR [6]		CHSEL			MBURST	PBURST			CT	DBM	PL		PINCOS	MSIZE	PSIZE		MINC	PINC	CIRC	DIR		PFCTRL	TCIE	HTIE	TEIE	DMEIE	EN
0xa4	NDTR [6]													NDT
0xa8	PAR [6]	PA												PA
0xac	M0AR [6]	M0A												M0A
0xb0	M1AR [6]	M1A												M1A
0xb4	FCR [6]																				FEIE		FS			DMDIS	FTH
0xb8	CR [7]		CHSEL			MBURST	PBURST			CT	DBM	PL		PINCOS	MSIZE	PSIZE		MINC	PINC	CIRC	DIR		PFCTRL	TCIE	HTIE	TEIE	DMEIE	EN
0xbc	NDTR [7]													NDT
0xc0	PAR [7]	PA												PA
0xc4	M0AR [7]	M0A												M0A
0xc8	M1AR [7]	M1A												M1A
0xcc	FCR [7]																				FEIE		FS			DMDIS	FTH

LISR

low interrupt status register

Offset: 0x0, reset: 0x00000000, access: read-only

20/20 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
				TCIF3 r	HTIF3 r	TEIF3 r	DMEIF3 r		FEIF3 r	TCIF2 r	HTIF2 r	TEIF2 r	DMEIF2 r		FEIF2 r
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
				TCIF1 r	HTIF1 r	TEIF1 r	DMEIF1 r		FEIF1 r	TCIF0 r	HTIF0 r	TEIF0 r	DMEIF0 r		FEIF0 r

Toggle Fields

FEIF0

Bit 0: Stream x FIFO error interrupt flag (x=3..0).

Allowed values:
0: NoError: No FIFO error event on stream x
1: Error: A FIFO error event occurred on stream x

DMEIF0

Bit 2: Stream x direct mode error interrupt flag (x=3..0).

Allowed values:
0: NoError: No Direct Mode error on stream x
1: Error: A Direct Mode error occurred on stream x

TEIF0

Bit 3: Stream x transfer error interrupt flag (x=3..0).

Allowed values:
0: NoError: No transfer error on stream x
1: Error: A transfer error occurred on stream x

HTIF0

Bit 4: Stream x half transfer interrupt flag (x=3..0).

Allowed values:
0: NotHalf: No half transfer event on stream x
1: Half: A half transfer event occurred on stream x

TCIF0

Bit 5: Stream x transfer complete interrupt flag (x = 3..0).

Allowed values:
0: NotComplete: No transfer complete event on stream x
1: Complete: A transfer complete event occurred on stream x

FEIF1

Bit 6: Stream x FIFO error interrupt flag (x=3..0).

Allowed values:
0: NoError: No FIFO error event on stream x
1: Error: A FIFO error event occurred on stream x

DMEIF1

Bit 8: Stream x direct mode error interrupt flag (x=3..0).

Allowed values:
0: NoError: No Direct Mode error on stream x
1: Error: A Direct Mode error occurred on stream x

TEIF1

Bit 9: Stream x transfer error interrupt flag (x=3..0).

Allowed values:
0: NoError: No transfer error on stream x
1: Error: A transfer error occurred on stream x

HTIF1

Bit 10: Stream x half transfer interrupt flag (x=3..0).

Allowed values:
0: NotHalf: No half transfer event on stream x
1: Half: A half transfer event occurred on stream x

TCIF1

Bit 11: Stream x transfer complete interrupt flag (x = 3..0).

Allowed values:
0: NotComplete: No transfer complete event on stream x
1: Complete: A transfer complete event occurred on stream x

FEIF2

Bit 16: Stream x FIFO error interrupt flag (x=3..0).

Allowed values:
0: NoError: No FIFO error event on stream x
1: Error: A FIFO error event occurred on stream x

DMEIF2

Bit 18: Stream x direct mode error interrupt flag (x=3..0).

Allowed values:
0: NoError: No Direct Mode error on stream x
1: Error: A Direct Mode error occurred on stream x

TEIF2

Bit 19: Stream x transfer error interrupt flag (x=3..0).

Allowed values:
0: NoError: No transfer error on stream x
1: Error: A transfer error occurred on stream x

HTIF2

Bit 20: Stream x half transfer interrupt flag (x=3..0).

Allowed values:
0: NotHalf: No half transfer event on stream x
1: Half: A half transfer event occurred on stream x

TCIF2

Bit 21: Stream x transfer complete interrupt flag (x = 3..0).

Allowed values:
0: NotComplete: No transfer complete event on stream x
1: Complete: A transfer complete event occurred on stream x

FEIF3

Bit 22: Stream x FIFO error interrupt flag (x=3..0).

Allowed values:
0: NoError: No FIFO error event on stream x
1: Error: A FIFO error event occurred on stream x

DMEIF3

Bit 24: Stream x direct mode error interrupt flag (x=3..0).

Allowed values:
0: NoError: No Direct Mode error on stream x
1: Error: A Direct Mode error occurred on stream x

TEIF3

Bit 25: Stream x transfer error interrupt flag (x=3..0).

Allowed values:
0: NoError: No transfer error on stream x
1: Error: A transfer error occurred on stream x

HTIF3

Bit 26: Stream x half transfer interrupt flag (x=3..0).

Allowed values:
0: NotHalf: No half transfer event on stream x
1: Half: A half transfer event occurred on stream x

TCIF3

Bit 27: Stream x transfer complete interrupt flag (x = 3..0).

Allowed values:
0: NotComplete: No transfer complete event on stream x
1: Complete: A transfer complete event occurred on stream x

HISR

high interrupt status register

Offset: 0x4, reset: 0x00000000, access: read-only

20/20 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
				TCIF7 r	HTIF7 r	TEIF7 r	DMEIF7 r		FEIF7 r	TCIF6 r	HTIF6 r	TEIF6 r	DMEIF6 r		FEIF6 r
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
				TCIF5 r	HTIF5 r	TEIF5 r	DMEIF5 r		FEIF5 r	TCIF4 r	HTIF4 r	TEIF4 r	DMEIF4 r		FEIF4 r

Toggle Fields

FEIF4

Bit 0: Stream x FIFO error interrupt flag (x=7..4).

Allowed values:
0: NoError: No FIFO error event on stream x
1: Error: A FIFO error event occurred on stream x

DMEIF4

Bit 2: Stream x direct mode error interrupt flag (x=7..4).

Allowed values:
0: NoError: No Direct Mode error on stream x
1: Error: A Direct Mode error occurred on stream x

TEIF4

Bit 3: Stream x transfer error interrupt flag (x=7..4).

Allowed values:
0: NoError: No transfer error on stream x
1: Error: A transfer error occurred on stream x

HTIF4

Bit 4: Stream x half transfer interrupt flag (x=7..4).

Allowed values:
0: NotHalf: No half transfer event on stream x
1: Half: A half transfer event occurred on stream x

TCIF4

Bit 5: Stream x transfer complete interrupt flag (x=7..4).

Allowed values:
0: NotComplete: No transfer complete event on stream x
1: Complete: A transfer complete event occurred on stream x

FEIF5

Bit 6: Stream x FIFO error interrupt flag (x=7..4).

Allowed values:
0: NoError: No FIFO error event on stream x
1: Error: A FIFO error event occurred on stream x

DMEIF5

Bit 8: Stream x direct mode error interrupt flag (x=7..4).

Allowed values:
0: NoError: No Direct Mode error on stream x
1: Error: A Direct Mode error occurred on stream x

TEIF5

Bit 9: Stream x transfer error interrupt flag (x=7..4).

Allowed values:
0: NoError: No transfer error on stream x
1: Error: A transfer error occurred on stream x

HTIF5

Bit 10: Stream x half transfer interrupt flag (x=7..4).

Allowed values:
0: NotHalf: No half transfer event on stream x
1: Half: A half transfer event occurred on stream x

TCIF5

Bit 11: Stream x transfer complete interrupt flag (x=7..4).

Allowed values:
0: NotComplete: No transfer complete event on stream x
1: Complete: A transfer complete event occurred on stream x

FEIF6

Bit 16: Stream x FIFO error interrupt flag (x=7..4).

Allowed values:
0: NoError: No FIFO error event on stream x
1: Error: A FIFO error event occurred on stream x

DMEIF6

Bit 18: Stream x direct mode error interrupt flag (x=7..4).

Allowed values:
0: NoError: No Direct Mode error on stream x
1: Error: A Direct Mode error occurred on stream x

TEIF6

Bit 19: Stream x transfer error interrupt flag (x=7..4).

Allowed values:
0: NoError: No transfer error on stream x
1: Error: A transfer error occurred on stream x

HTIF6

Bit 20: Stream x half transfer interrupt flag (x=7..4).

Allowed values:
0: NotHalf: No half transfer event on stream x
1: Half: A half transfer event occurred on stream x

TCIF6

Bit 21: Stream x transfer complete interrupt flag (x=7..4).

Allowed values:
0: NotComplete: No transfer complete event on stream x
1: Complete: A transfer complete event occurred on stream x

FEIF7

Bit 22: Stream x FIFO error interrupt flag (x=7..4).

Allowed values:
0: NoError: No FIFO error event on stream x
1: Error: A FIFO error event occurred on stream x

DMEIF7

Bit 24: Stream x direct mode error interrupt flag (x=7..4).

Allowed values:
0: NoError: No Direct Mode error on stream x
1: Error: A Direct Mode error occurred on stream x

TEIF7

Bit 25: Stream x transfer error interrupt flag (x=7..4).

Allowed values:
0: NoError: No transfer error on stream x
1: Error: A transfer error occurred on stream x

HTIF7

Bit 26: Stream x half transfer interrupt flag (x=7..4).

Allowed values:
0: NotHalf: No half transfer event on stream x
1: Half: A half transfer event occurred on stream x

TCIF7

Bit 27: Stream x transfer complete interrupt flag (x=7..4).

Allowed values:
0: NotComplete: No transfer complete event on stream x
1: Complete: A transfer complete event occurred on stream x

LIFCR

low interrupt flag clear register

Offset: 0x8, reset: 0x00000000, access: write-only

20/20 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
				CTCIF3 w	CHTIF3 w	CTEIF3 w	CDMEIF3 w		CFEIF3 w	CTCIF2 w	CHTIF2 w	CTEIF2 w	CDMEIF2 w		CFEIF2 w
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
				CTCIF1 w	CHTIF1 w	CTEIF1 w	CDMEIF1 w		CFEIF1 w	CTCIF0 w	CHTIF0 w	CTEIF0 w	CDMEIF0 w		CFEIF0 w

Toggle Fields

CFEIF0

Bit 0: Stream x clear FIFO error interrupt flag (x = 3..0).

Allowed values:
1: Clear: Clear the corresponding CFEIFx flag

CDMEIF0

Bit 2: Stream x clear direct mode error interrupt flag (x = 3..0).

Allowed values:
1: Clear: Clear the corresponding DMEIFx flag

CTEIF0

Bit 3: Stream x clear transfer error interrupt flag (x = 3..0).

Allowed values:
1: Clear: Clear the corresponding TEIFx flag

CHTIF0

Bit 4: Stream x clear half transfer interrupt flag (x = 3..0).

Allowed values:
1: Clear: Clear the corresponding HTIFx flag

CTCIF0

Bit 5: Stream x clear transfer complete interrupt flag (x = 3..0).

Allowed values:
1: Clear: Clear the corresponding TCIFx flag

CFEIF1

Bit 6: Stream x clear FIFO error interrupt flag (x = 3..0).

Allowed values:
1: Clear: Clear the corresponding CFEIFx flag

CDMEIF1

Bit 8: Stream x clear direct mode error interrupt flag (x = 3..0).

Allowed values:
1: Clear: Clear the corresponding DMEIFx flag

CTEIF1

Bit 9: Stream x clear transfer error interrupt flag (x = 3..0).

Allowed values:
1: Clear: Clear the corresponding TEIFx flag

CHTIF1

Bit 10: Stream x clear half transfer interrupt flag (x = 3..0).

Allowed values:
1: Clear: Clear the corresponding HTIFx flag

CTCIF1

Bit 11: Stream x clear transfer complete interrupt flag (x = 3..0).

Allowed values:
1: Clear: Clear the corresponding TCIFx flag

CFEIF2

Bit 16: Stream x clear FIFO error interrupt flag (x = 3..0).

Allowed values:
1: Clear: Clear the corresponding CFEIFx flag

CDMEIF2

Bit 18: Stream x clear direct mode error interrupt flag (x = 3..0).

Allowed values:
1: Clear: Clear the corresponding DMEIFx flag

CTEIF2

Bit 19: Stream x clear transfer error interrupt flag (x = 3..0).

Allowed values:
1: Clear: Clear the corresponding TEIFx flag

CHTIF2

Bit 20: Stream x clear half transfer interrupt flag (x = 3..0).

Allowed values:
1: Clear: Clear the corresponding HTIFx flag

CTCIF2

Bit 21: Stream x clear transfer complete interrupt flag (x = 3..0).

Allowed values:
1: Clear: Clear the corresponding TCIFx flag

CFEIF3

Bit 22: Stream x clear FIFO error interrupt flag (x = 3..0).

Allowed values:
1: Clear: Clear the corresponding CFEIFx flag

CDMEIF3

Bit 24: Stream x clear direct mode error interrupt flag (x = 3..0).

Allowed values:
1: Clear: Clear the corresponding DMEIFx flag

CTEIF3

Bit 25: Stream x clear transfer error interrupt flag (x = 3..0).

Allowed values:
1: Clear: Clear the corresponding TEIFx flag

CHTIF3

Bit 26: Stream x clear half transfer interrupt flag (x = 3..0).

Allowed values:
1: Clear: Clear the corresponding HTIFx flag

CTCIF3

Bit 27: Stream x clear transfer complete interrupt flag (x = 3..0).

Allowed values:
1: Clear: Clear the corresponding TCIFx flag

HIFCR

high interrupt flag clear register

Offset: 0xc, reset: 0x00000000, access: write-only

20/20 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
				CTCIF7 w	CHTIF7 w	CTEIF7 w	CDMEIF7 w		CFEIF7 w	CTCIF6 w	CHTIF6 w	CTEIF6 w	CDMEIF6 w		CFEIF6 w
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
				CTCIF5 w	CHTIF5 w	CTEIF5 w	CDMEIF5 w		CFEIF5 w	CTCIF4 w	CHTIF4 w	CTEIF4 w	CDMEIF4 w		CFEIF4 w

Toggle Fields

CFEIF4

Bit 0: Stream x clear FIFO error interrupt flag (x = 7..4).

Allowed values:
1: Clear: Clear the corresponding CFEIFx flag

CDMEIF4

Bit 2: Stream x clear direct mode error interrupt flag (x = 7..4).

Allowed values:
1: Clear: Clear the corresponding DMEIFx flag

CTEIF4

Bit 3: Stream x clear transfer error interrupt flag (x = 7..4).

Allowed values:
1: Clear: Clear the corresponding TEIFx flag

CHTIF4

Bit 4: Stream x clear half transfer interrupt flag (x = 7..4).

Allowed values:
1: Clear: Clear the corresponding HTIFx flag

CTCIF4

Bit 5: Stream x clear transfer complete interrupt flag (x = 7..4).

Allowed values:
1: Clear: Clear the corresponding TCIFx flag

CFEIF5

Bit 6: Stream x clear FIFO error interrupt flag (x = 7..4).

Allowed values:
1: Clear: Clear the corresponding CFEIFx flag

CDMEIF5

Bit 8: Stream x clear direct mode error interrupt flag (x = 7..4).

Allowed values:
1: Clear: Clear the corresponding DMEIFx flag

CTEIF5

Bit 9: Stream x clear transfer error interrupt flag (x = 7..4).

Allowed values:
1: Clear: Clear the corresponding TEIFx flag

CHTIF5

Bit 10: Stream x clear half transfer interrupt flag (x = 7..4).

Allowed values:
1: Clear: Clear the corresponding HTIFx flag

CTCIF5

Bit 11: Stream x clear transfer complete interrupt flag (x = 7..4).

Allowed values:
1: Clear: Clear the corresponding TCIFx flag

CFEIF6

Bit 16: Stream x clear FIFO error interrupt flag (x = 7..4).

Allowed values:
1: Clear: Clear the corresponding CFEIFx flag

CDMEIF6

Bit 18: Stream x clear direct mode error interrupt flag (x = 7..4).

Allowed values:
1: Clear: Clear the corresponding DMEIFx flag

CTEIF6

Bit 19: Stream x clear transfer error interrupt flag (x = 7..4).

Allowed values:
1: Clear: Clear the corresponding TEIFx flag

CHTIF6

Bit 20: Stream x clear half transfer interrupt flag (x = 7..4).

Allowed values:
1: Clear: Clear the corresponding HTIFx flag

CTCIF6

Bit 21: Stream x clear transfer complete interrupt flag (x = 7..4).

Allowed values:
1: Clear: Clear the corresponding TCIFx flag

CFEIF7

Bit 22: Stream x clear FIFO error interrupt flag (x = 7..4).

Allowed values:
1: Clear: Clear the corresponding CFEIFx flag

CDMEIF7

Bit 24: Stream x clear direct mode error interrupt flag (x = 7..4).

Allowed values:
1: Clear: Clear the corresponding DMEIFx flag

CTEIF7

Bit 25: Stream x clear transfer error interrupt flag (x = 7..4).

Allowed values:
1: Clear: Clear the corresponding TEIFx flag

CHTIF7

Bit 26: Stream x clear half transfer interrupt flag (x = 7..4).

Allowed values:
1: Clear: Clear the corresponding HTIFx flag

CTCIF7

Bit 27: Stream x clear transfer complete interrupt flag (x = 7..4).

Allowed values:
1: Clear: Clear the corresponding TCIFx flag

CR [0]

stream x configuration register

Offset: 0x10, reset: 0x00000000, access: read-write

19/19 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
				CHSEL rw			MBURST rw		PBURST rw			CT rw	DBM rw	PL rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
PINCOS rw	MSIZE rw		PSIZE rw		MINC rw	PINC rw	CIRC rw	DIR rw		PFCTRL rw	TCIE rw	HTIE rw	TEIE rw	DMEIE rw	EN rw

Toggle Fields

EN

Bit 0: Stream enable / flag stream ready when read low.

Allowed values:
0: Disabled: Stream disabled
1: Enabled: Stream enabled

DMEIE

Bit 1: Direct mode error interrupt enable.

Allowed values:
0: Disabled: DME interrupt disabled
1: Enabled: DME interrupt enabled

TEIE

Bit 2: Transfer error interrupt enable.

Allowed values:
0: Disabled: TE interrupt disabled
1: Enabled: TE interrupt enabled

HTIE

Bit 3: Half transfer interrupt enable.

Allowed values:
0: Disabled: HT interrupt disabled
1: Enabled: HT interrupt enabled

TCIE

Bit 4: Transfer complete interrupt enable.

Allowed values:
0: Disabled: TC interrupt disabled
1: Enabled: TC interrupt enabled

PFCTRL

Bit 5: Peripheral flow controller.

Allowed values:
0: DMA: The DMA is the flow controller
1: Peripheral: The peripheral is the flow controller

DIR

Bits 6-7: Data transfer direction.

Allowed values:
0: PeripheralToMemory: Peripheral-to-memory
1: MemoryToPeripheral: Memory-to-peripheral
2: MemoryToMemory: Memory-to-memory

CIRC

Bit 8: Circular mode.

Allowed values:
0: Disabled: Circular mode disabled
1: Enabled: Circular mode enabled

PINC

Bit 9: Peripheral increment mode.

Allowed values:
0: Fixed: Address pointer is fixed
1: Incremented: Address pointer is incremented after each data transfer

MINC

Bit 10: Memory increment mode.

Allowed values:
0: Fixed: Address pointer is fixed
1: Incremented: Address pointer is incremented after each data transfer

PSIZE

Bits 11-12: Peripheral data size.

Allowed values:
0: Bits8: Byte (8-bit)
1: Bits16: Half-word (16-bit)
2: Bits32: Word (32-bit)

MSIZE

Bits 13-14: Memory data size.

Allowed values:
0: Bits8: Byte (8-bit)
1: Bits16: Half-word (16-bit)
2: Bits32: Word (32-bit)

PINCOS

Bit 15: Peripheral increment offset size.

Allowed values:
0: PSIZE: The offset size for the peripheral address calculation is linked to the PSIZE
1: Fixed4: The offset size for the peripheral address calculation is fixed to 4 (32-bit alignment)

PL

Bits 16-17: Priority level.

Allowed values:
0: Low: Low
1: Medium: Medium
2: High: High
3: VeryHigh: Very high

DBM

Bit 18: Double buffer mode.

Allowed values:
0: Disabled: No buffer switching at the end of transfer
1: Enabled: Memory target switched at the end of the DMA transfer

CT

Bit 19: Current target (only in double buffer mode).

Allowed values:
0: Memory0: The current target memory is Memory 0
1: Memory1: The current target memory is Memory 1

PBURST

Bits 21-22: Peripheral burst transfer configuration.

Allowed values:
0: Single: Single transfer
1: INCR4: Incremental burst of 4 beats
2: INCR8: Incremental burst of 8 beats
3: INCR16: Incremental burst of 16 beats

MBURST

Bits 23-24: Memory burst transfer configuration.

Allowed values:
0: Single: Single transfer
1: INCR4: Incremental burst of 4 beats
2: INCR8: Incremental burst of 8 beats
3: INCR16: Incremental burst of 16 beats

CHSEL

Bits 25-27: Channel selection.

Allowed values: 0x0-0x7

NDTR [0]

stream x number of data register

Offset: 0x14, reset: 0x00000000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
NDT rw

Toggle Fields

NDT

Bits 0-15: Number of data items to transfer.

Allowed values: 0x0-0xffff

PAR [0]

stream x peripheral address register

Offset: 0x18, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
PA rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
PA rw

Toggle Fields

PA

Bits 0-31: Peripheral address.

M0AR [0]

stream x memory 0 address register

Offset: 0x1c, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
M0A rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
M0A rw

Toggle Fields

M0A

Bits 0-31: Memory 0 address.

M1AR [0]

stream x memory 1 address register

Offset: 0x20, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
M1A rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
M1A rw

Toggle Fields

M1A

Bits 0-31: Memory 1 address (used in case of Double buffer mode).

FCR [0]

stream x FIFO control register

Offset: 0x24, reset: 0x00000021, access: Unspecified

4/4 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
								FEIE rw		FS r			DMDIS rw	FTH rw

Toggle Fields

FTH

Bits 0-1: FIFO threshold selection.

Allowed values:
0: Quarter: 1/4 full FIFO
1: Half: 1/2 full FIFO
2: ThreeQuarters: 3/4 full FIFO
3: Full: Full FIFO

DMDIS

Bit 2: Direct mode disable.

Allowed values:
0: Enabled: Direct mode is enabled
1: Disabled: Direct mode is disabled

FS

Bits 3-5: FIFO status.

Allowed values:
0: Quarter1: 0 < fifo_level < 1/4
1: Quarter2: 1/4 <= fifo_level < 1/2
2: Quarter3: 1/2 <= fifo_level < 3/4
3: Quarter4: 3/4 <= fifo_level < full
4: Empty: FIFO is empty
5: Full: FIFO is full

FEIE

Bit 7: FIFO error interrupt enable.

Allowed values:
0: Disabled: FE interrupt disabled
1: Enabled: FE interrupt enabled

CR [1]

stream x configuration register

Offset: 0x28, reset: 0x00000000, access: read-write

19/19 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
				CHSEL rw			MBURST rw		PBURST rw			CT rw	DBM rw	PL rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
PINCOS rw	MSIZE rw		PSIZE rw		MINC rw	PINC rw	CIRC rw	DIR rw		PFCTRL rw	TCIE rw	HTIE rw	TEIE rw	DMEIE rw	EN rw

Toggle Fields

EN

Bit 0: Stream enable / flag stream ready when read low.

Allowed values:
0: Disabled: Stream disabled
1: Enabled: Stream enabled

DMEIE

Bit 1: Direct mode error interrupt enable.

Allowed values:
0: Disabled: DME interrupt disabled
1: Enabled: DME interrupt enabled

TEIE

Bit 2: Transfer error interrupt enable.

Allowed values:
0: Disabled: TE interrupt disabled
1: Enabled: TE interrupt enabled

HTIE

Bit 3: Half transfer interrupt enable.

Allowed values:
0: Disabled: HT interrupt disabled
1: Enabled: HT interrupt enabled

TCIE

Bit 4: Transfer complete interrupt enable.

Allowed values:
0: Disabled: TC interrupt disabled
1: Enabled: TC interrupt enabled

PFCTRL

Bit 5: Peripheral flow controller.

Allowed values:
0: DMA: The DMA is the flow controller
1: Peripheral: The peripheral is the flow controller

DIR

Bits 6-7: Data transfer direction.

Allowed values:
0: PeripheralToMemory: Peripheral-to-memory
1: MemoryToPeripheral: Memory-to-peripheral
2: MemoryToMemory: Memory-to-memory

CIRC

Bit 8: Circular mode.

Allowed values:
0: Disabled: Circular mode disabled
1: Enabled: Circular mode enabled

PINC

Bit 9: Peripheral increment mode.

Allowed values:
0: Fixed: Address pointer is fixed
1: Incremented: Address pointer is incremented after each data transfer

MINC

Bit 10: Memory increment mode.

Allowed values:
0: Fixed: Address pointer is fixed
1: Incremented: Address pointer is incremented after each data transfer

PSIZE

Bits 11-12: Peripheral data size.

Allowed values:
0: Bits8: Byte (8-bit)
1: Bits16: Half-word (16-bit)
2: Bits32: Word (32-bit)

MSIZE

Bits 13-14: Memory data size.

Allowed values:
0: Bits8: Byte (8-bit)
1: Bits16: Half-word (16-bit)
2: Bits32: Word (32-bit)

PINCOS

Bit 15: Peripheral increment offset size.

PL

Bits 16-17: Priority level.

Allowed values:
0: Low: Low
1: Medium: Medium
2: High: High
3: VeryHigh: Very high

DBM

Bit 18: Double buffer mode.

Allowed values:
0: Disabled: No buffer switching at the end of transfer
1: Enabled: Memory target switched at the end of the DMA transfer

CT

Bit 19: Current target (only in double buffer mode).

Allowed values:
0: Memory0: The current target memory is Memory 0
1: Memory1: The current target memory is Memory 1

PBURST

Bits 21-22: Peripheral burst transfer configuration.

Allowed values:
0: Single: Single transfer
1: INCR4: Incremental burst of 4 beats
2: INCR8: Incremental burst of 8 beats
3: INCR16: Incremental burst of 16 beats

MBURST

Bits 23-24: Memory burst transfer configuration.

Allowed values:
0: Single: Single transfer
1: INCR4: Incremental burst of 4 beats
2: INCR8: Incremental burst of 8 beats
3: INCR16: Incremental burst of 16 beats

CHSEL

Bits 25-27: Channel selection.

Allowed values: 0x0-0x7

NDTR [1]

stream x number of data register

Offset: 0x2c, reset: 0x00000000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
NDT rw

Toggle Fields

NDT

Bits 0-15: Number of data items to transfer.

Allowed values: 0x0-0xffff

PAR [1]

stream x peripheral address register

Offset: 0x30, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
PA rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
PA rw

Toggle Fields

PA

Bits 0-31: Peripheral address.

M0AR [1]

stream x memory 0 address register

Offset: 0x34, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
M0A rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
M0A rw

Toggle Fields

M0A

Bits 0-31: Memory 0 address.

M1AR [1]

stream x memory 1 address register

Offset: 0x38, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
M1A rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
M1A rw

Toggle Fields

M1A

Bits 0-31: Memory 1 address (used in case of Double buffer mode).

FCR [1]

stream x FIFO control register

Offset: 0x3c, reset: 0x00000021, access: Unspecified

4/4 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
								FEIE rw		FS r			DMDIS rw	FTH rw

Toggle Fields

FTH

Bits 0-1: FIFO threshold selection.

Allowed values:
0: Quarter: 1/4 full FIFO
1: Half: 1/2 full FIFO
2: ThreeQuarters: 3/4 full FIFO
3: Full: Full FIFO

DMDIS

Bit 2: Direct mode disable.

Allowed values:
0: Enabled: Direct mode is enabled
1: Disabled: Direct mode is disabled

FS

Bits 3-5: FIFO status.

FEIE

Bit 7: FIFO error interrupt enable.

Allowed values:
0: Disabled: FE interrupt disabled
1: Enabled: FE interrupt enabled

CR [2]

stream x configuration register

Offset: 0x40, reset: 0x00000000, access: read-write

19/19 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
				CHSEL rw			MBURST rw		PBURST rw			CT rw	DBM rw	PL rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
PINCOS rw	MSIZE rw		PSIZE rw		MINC rw	PINC rw	CIRC rw	DIR rw		PFCTRL rw	TCIE rw	HTIE rw	TEIE rw	DMEIE rw	EN rw

Toggle Fields

EN

Bit 0: Stream enable / flag stream ready when read low.

Allowed values:
0: Disabled: Stream disabled
1: Enabled: Stream enabled

DMEIE

Bit 1: Direct mode error interrupt enable.

Allowed values:
0: Disabled: DME interrupt disabled
1: Enabled: DME interrupt enabled

TEIE

Bit 2: Transfer error interrupt enable.

Allowed values:
0: Disabled: TE interrupt disabled
1: Enabled: TE interrupt enabled

HTIE

Bit 3: Half transfer interrupt enable.

Allowed values:
0: Disabled: HT interrupt disabled
1: Enabled: HT interrupt enabled

TCIE

Bit 4: Transfer complete interrupt enable.

Allowed values:
0: Disabled: TC interrupt disabled
1: Enabled: TC interrupt enabled

PFCTRL

Bit 5: Peripheral flow controller.

Allowed values:
0: DMA: The DMA is the flow controller
1: Peripheral: The peripheral is the flow controller

DIR

Bits 6-7: Data transfer direction.

Allowed values:
0: PeripheralToMemory: Peripheral-to-memory
1: MemoryToPeripheral: Memory-to-peripheral
2: MemoryToMemory: Memory-to-memory

CIRC

Bit 8: Circular mode.

Allowed values:
0: Disabled: Circular mode disabled
1: Enabled: Circular mode enabled

PINC

Bit 9: Peripheral increment mode.

Allowed values:
0: Fixed: Address pointer is fixed
1: Incremented: Address pointer is incremented after each data transfer

MINC

Bit 10: Memory increment mode.

Allowed values:
0: Fixed: Address pointer is fixed
1: Incremented: Address pointer is incremented after each data transfer

PSIZE

Bits 11-12: Peripheral data size.

Allowed values:
0: Bits8: Byte (8-bit)
1: Bits16: Half-word (16-bit)
2: Bits32: Word (32-bit)

MSIZE

Bits 13-14: Memory data size.

Allowed values:
0: Bits8: Byte (8-bit)
1: Bits16: Half-word (16-bit)
2: Bits32: Word (32-bit)

PINCOS

Bit 15: Peripheral increment offset size.

PL

Bits 16-17: Priority level.

Allowed values:
0: Low: Low
1: Medium: Medium
2: High: High
3: VeryHigh: Very high

DBM

Bit 18: Double buffer mode.

Allowed values:
0: Disabled: No buffer switching at the end of transfer
1: Enabled: Memory target switched at the end of the DMA transfer

CT

Bit 19: Current target (only in double buffer mode).

Allowed values:
0: Memory0: The current target memory is Memory 0
1: Memory1: The current target memory is Memory 1

PBURST

Bits 21-22: Peripheral burst transfer configuration.

Allowed values:
0: Single: Single transfer
1: INCR4: Incremental burst of 4 beats
2: INCR8: Incremental burst of 8 beats
3: INCR16: Incremental burst of 16 beats

MBURST

Bits 23-24: Memory burst transfer configuration.

Allowed values:
0: Single: Single transfer
1: INCR4: Incremental burst of 4 beats
2: INCR8: Incremental burst of 8 beats
3: INCR16: Incremental burst of 16 beats

CHSEL

Bits 25-27: Channel selection.

Allowed values: 0x0-0x7

NDTR [2]

stream x number of data register

Offset: 0x44, reset: 0x00000000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
NDT rw

Toggle Fields

NDT

Bits 0-15: Number of data items to transfer.

Allowed values: 0x0-0xffff

PAR [2]

stream x peripheral address register

Offset: 0x48, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
PA rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
PA rw

Toggle Fields

PA

Bits 0-31: Peripheral address.

M0AR [2]

stream x memory 0 address register

Offset: 0x4c, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
M0A rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
M0A rw

Toggle Fields

M0A

Bits 0-31: Memory 0 address.

M1AR [2]

stream x memory 1 address register

Offset: 0x50, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
M1A rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
M1A rw

Toggle Fields

M1A

Bits 0-31: Memory 1 address (used in case of Double buffer mode).

FCR [2]

stream x FIFO control register

Offset: 0x54, reset: 0x00000021, access: Unspecified

4/4 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
								FEIE rw		FS r			DMDIS rw	FTH rw

Toggle Fields

FTH

Bits 0-1: FIFO threshold selection.

Allowed values:
0: Quarter: 1/4 full FIFO
1: Half: 1/2 full FIFO
2: ThreeQuarters: 3/4 full FIFO
3: Full: Full FIFO

DMDIS

Bit 2: Direct mode disable.

Allowed values:
0: Enabled: Direct mode is enabled
1: Disabled: Direct mode is disabled

FS

Bits 3-5: FIFO status.

FEIE

Bit 7: FIFO error interrupt enable.

Allowed values:
0: Disabled: FE interrupt disabled
1: Enabled: FE interrupt enabled

CR [3]

stream x configuration register

Offset: 0x58, reset: 0x00000000, access: read-write

19/19 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
				CHSEL rw			MBURST rw		PBURST rw			CT rw	DBM rw	PL rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
PINCOS rw	MSIZE rw		PSIZE rw		MINC rw	PINC rw	CIRC rw	DIR rw		PFCTRL rw	TCIE rw	HTIE rw	TEIE rw	DMEIE rw	EN rw

Toggle Fields

EN

Bit 0: Stream enable / flag stream ready when read low.

Allowed values:
0: Disabled: Stream disabled
1: Enabled: Stream enabled

DMEIE

Bit 1: Direct mode error interrupt enable.

Allowed values:
0: Disabled: DME interrupt disabled
1: Enabled: DME interrupt enabled

TEIE

Bit 2: Transfer error interrupt enable.

Allowed values:
0: Disabled: TE interrupt disabled
1: Enabled: TE interrupt enabled

HTIE

Bit 3: Half transfer interrupt enable.

Allowed values:
0: Disabled: HT interrupt disabled
1: Enabled: HT interrupt enabled

TCIE

Bit 4: Transfer complete interrupt enable.

Allowed values:
0: Disabled: TC interrupt disabled
1: Enabled: TC interrupt enabled

PFCTRL

Bit 5: Peripheral flow controller.

Allowed values:
0: DMA: The DMA is the flow controller
1: Peripheral: The peripheral is the flow controller

DIR

Bits 6-7: Data transfer direction.

Allowed values:
0: PeripheralToMemory: Peripheral-to-memory
1: MemoryToPeripheral: Memory-to-peripheral
2: MemoryToMemory: Memory-to-memory

CIRC

Bit 8: Circular mode.

Allowed values:
0: Disabled: Circular mode disabled
1: Enabled: Circular mode enabled

PINC

Bit 9: Peripheral increment mode.

Allowed values:
0: Fixed: Address pointer is fixed
1: Incremented: Address pointer is incremented after each data transfer

MINC

Bit 10: Memory increment mode.

Allowed values:
0: Fixed: Address pointer is fixed
1: Incremented: Address pointer is incremented after each data transfer

PSIZE

Bits 11-12: Peripheral data size.

Allowed values:
0: Bits8: Byte (8-bit)
1: Bits16: Half-word (16-bit)
2: Bits32: Word (32-bit)

MSIZE

Bits 13-14: Memory data size.

Allowed values:
0: Bits8: Byte (8-bit)
1: Bits16: Half-word (16-bit)
2: Bits32: Word (32-bit)

PINCOS

Bit 15: Peripheral increment offset size.

PL

Bits 16-17: Priority level.

Allowed values:
0: Low: Low
1: Medium: Medium
2: High: High
3: VeryHigh: Very high

DBM

Bit 18: Double buffer mode.

Allowed values:
0: Disabled: No buffer switching at the end of transfer
1: Enabled: Memory target switched at the end of the DMA transfer

CT

Bit 19: Current target (only in double buffer mode).

Allowed values:
0: Memory0: The current target memory is Memory 0
1: Memory1: The current target memory is Memory 1

PBURST

Bits 21-22: Peripheral burst transfer configuration.

Allowed values:
0: Single: Single transfer
1: INCR4: Incremental burst of 4 beats
2: INCR8: Incremental burst of 8 beats
3: INCR16: Incremental burst of 16 beats

MBURST

Bits 23-24: Memory burst transfer configuration.

Allowed values:
0: Single: Single transfer
1: INCR4: Incremental burst of 4 beats
2: INCR8: Incremental burst of 8 beats
3: INCR16: Incremental burst of 16 beats

CHSEL

Bits 25-27: Channel selection.

Allowed values: 0x0-0x7

NDTR [3]

stream x number of data register

Offset: 0x5c, reset: 0x00000000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
NDT rw

Toggle Fields

NDT

Bits 0-15: Number of data items to transfer.

Allowed values: 0x0-0xffff

PAR [3]

stream x peripheral address register

Offset: 0x60, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
PA rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
PA rw

Toggle Fields

PA

Bits 0-31: Peripheral address.

M0AR [3]

stream x memory 0 address register

Offset: 0x64, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
M0A rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
M0A rw

Toggle Fields

M0A

Bits 0-31: Memory 0 address.

M1AR [3]

stream x memory 1 address register

Offset: 0x68, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
M1A rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
M1A rw

Toggle Fields

M1A

Bits 0-31: Memory 1 address (used in case of Double buffer mode).

FCR [3]

stream x FIFO control register

Offset: 0x6c, reset: 0x00000021, access: Unspecified

4/4 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
								FEIE rw		FS r			DMDIS rw	FTH rw

Toggle Fields

FTH

Bits 0-1: FIFO threshold selection.

Allowed values:
0: Quarter: 1/4 full FIFO
1: Half: 1/2 full FIFO
2: ThreeQuarters: 3/4 full FIFO
3: Full: Full FIFO

DMDIS

Bit 2: Direct mode disable.

Allowed values:
0: Enabled: Direct mode is enabled
1: Disabled: Direct mode is disabled

FS

Bits 3-5: FIFO status.

FEIE

Bit 7: FIFO error interrupt enable.

Allowed values:
0: Disabled: FE interrupt disabled
1: Enabled: FE interrupt enabled

CR [4]

stream x configuration register

Offset: 0x70, reset: 0x00000000, access: read-write

19/19 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
				CHSEL rw			MBURST rw		PBURST rw			CT rw	DBM rw	PL rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
PINCOS rw	MSIZE rw		PSIZE rw		MINC rw	PINC rw	CIRC rw	DIR rw		PFCTRL rw	TCIE rw	HTIE rw	TEIE rw	DMEIE rw	EN rw

Toggle Fields

EN

Bit 0: Stream enable / flag stream ready when read low.

Allowed values:
0: Disabled: Stream disabled
1: Enabled: Stream enabled

DMEIE

Bit 1: Direct mode error interrupt enable.

Allowed values:
0: Disabled: DME interrupt disabled
1: Enabled: DME interrupt enabled

TEIE

Bit 2: Transfer error interrupt enable.

Allowed values:
0: Disabled: TE interrupt disabled
1: Enabled: TE interrupt enabled

HTIE

Bit 3: Half transfer interrupt enable.

Allowed values:
0: Disabled: HT interrupt disabled
1: Enabled: HT interrupt enabled

TCIE

Bit 4: Transfer complete interrupt enable.

Allowed values:
0: Disabled: TC interrupt disabled
1: Enabled: TC interrupt enabled

PFCTRL

Bit 5: Peripheral flow controller.

Allowed values:
0: DMA: The DMA is the flow controller
1: Peripheral: The peripheral is the flow controller

DIR

Bits 6-7: Data transfer direction.

Allowed values:
0: PeripheralToMemory: Peripheral-to-memory
1: MemoryToPeripheral: Memory-to-peripheral
2: MemoryToMemory: Memory-to-memory

CIRC

Bit 8: Circular mode.

Allowed values:
0: Disabled: Circular mode disabled
1: Enabled: Circular mode enabled

PINC

Bit 9: Peripheral increment mode.

Allowed values:
0: Fixed: Address pointer is fixed
1: Incremented: Address pointer is incremented after each data transfer

MINC

Bit 10: Memory increment mode.

Allowed values:
0: Fixed: Address pointer is fixed
1: Incremented: Address pointer is incremented after each data transfer

PSIZE

Bits 11-12: Peripheral data size.

Allowed values:
0: Bits8: Byte (8-bit)
1: Bits16: Half-word (16-bit)
2: Bits32: Word (32-bit)

MSIZE

Bits 13-14: Memory data size.

Allowed values:
0: Bits8: Byte (8-bit)
1: Bits16: Half-word (16-bit)
2: Bits32: Word (32-bit)

PINCOS

Bit 15: Peripheral increment offset size.

PL

Bits 16-17: Priority level.

Allowed values:
0: Low: Low
1: Medium: Medium
2: High: High
3: VeryHigh: Very high

DBM

Bit 18: Double buffer mode.

Allowed values:
0: Disabled: No buffer switching at the end of transfer
1: Enabled: Memory target switched at the end of the DMA transfer

CT

Bit 19: Current target (only in double buffer mode).

Allowed values:
0: Memory0: The current target memory is Memory 0
1: Memory1: The current target memory is Memory 1

PBURST

Bits 21-22: Peripheral burst transfer configuration.

Allowed values:
0: Single: Single transfer
1: INCR4: Incremental burst of 4 beats
2: INCR8: Incremental burst of 8 beats
3: INCR16: Incremental burst of 16 beats

MBURST

Bits 23-24: Memory burst transfer configuration.

Allowed values:
0: Single: Single transfer
1: INCR4: Incremental burst of 4 beats
2: INCR8: Incremental burst of 8 beats
3: INCR16: Incremental burst of 16 beats

CHSEL

Bits 25-27: Channel selection.

Allowed values: 0x0-0x7

NDTR [4]

stream x number of data register

Offset: 0x74, reset: 0x00000000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
NDT rw

Toggle Fields

NDT

Bits 0-15: Number of data items to transfer.

Allowed values: 0x0-0xffff

PAR [4]

stream x peripheral address register

Offset: 0x78, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
PA rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
PA rw

Toggle Fields

PA

Bits 0-31: Peripheral address.

M0AR [4]

stream x memory 0 address register

Offset: 0x7c, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
M0A rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
M0A rw

Toggle Fields

M0A

Bits 0-31: Memory 0 address.

M1AR [4]

stream x memory 1 address register

Offset: 0x80, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
M1A rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
M1A rw

Toggle Fields

M1A

Bits 0-31: Memory 1 address (used in case of Double buffer mode).

FCR [4]

stream x FIFO control register

Offset: 0x84, reset: 0x00000021, access: Unspecified

4/4 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
								FEIE rw		FS r			DMDIS rw	FTH rw

Toggle Fields

FTH

Bits 0-1: FIFO threshold selection.

Allowed values:
0: Quarter: 1/4 full FIFO
1: Half: 1/2 full FIFO
2: ThreeQuarters: 3/4 full FIFO
3: Full: Full FIFO

DMDIS

Bit 2: Direct mode disable.

Allowed values:
0: Enabled: Direct mode is enabled
1: Disabled: Direct mode is disabled

FS

Bits 3-5: FIFO status.

FEIE

Bit 7: FIFO error interrupt enable.

Allowed values:
0: Disabled: FE interrupt disabled
1: Enabled: FE interrupt enabled

CR [5]

stream x configuration register

Offset: 0x88, reset: 0x00000000, access: read-write

19/19 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
				CHSEL rw			MBURST rw		PBURST rw			CT rw	DBM rw	PL rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
PINCOS rw	MSIZE rw		PSIZE rw		MINC rw	PINC rw	CIRC rw	DIR rw		PFCTRL rw	TCIE rw	HTIE rw	TEIE rw	DMEIE rw	EN rw

Toggle Fields

EN

Bit 0: Stream enable / flag stream ready when read low.

Allowed values:
0: Disabled: Stream disabled
1: Enabled: Stream enabled

DMEIE

Bit 1: Direct mode error interrupt enable.

Allowed values:
0: Disabled: DME interrupt disabled
1: Enabled: DME interrupt enabled

TEIE

Bit 2: Transfer error interrupt enable.

Allowed values:
0: Disabled: TE interrupt disabled
1: Enabled: TE interrupt enabled

HTIE

Bit 3: Half transfer interrupt enable.

Allowed values:
0: Disabled: HT interrupt disabled
1: Enabled: HT interrupt enabled

TCIE

Bit 4: Transfer complete interrupt enable.

Allowed values:
0: Disabled: TC interrupt disabled
1: Enabled: TC interrupt enabled

PFCTRL

Bit 5: Peripheral flow controller.

Allowed values:
0: DMA: The DMA is the flow controller
1: Peripheral: The peripheral is the flow controller

DIR

Bits 6-7: Data transfer direction.

Allowed values:
0: PeripheralToMemory: Peripheral-to-memory
1: MemoryToPeripheral: Memory-to-peripheral
2: MemoryToMemory: Memory-to-memory

CIRC

Bit 8: Circular mode.

Allowed values:
0: Disabled: Circular mode disabled
1: Enabled: Circular mode enabled

PINC

Bit 9: Peripheral increment mode.

Allowed values:
0: Fixed: Address pointer is fixed
1: Incremented: Address pointer is incremented after each data transfer

MINC

Bit 10: Memory increment mode.

Allowed values:
0: Fixed: Address pointer is fixed
1: Incremented: Address pointer is incremented after each data transfer

PSIZE

Bits 11-12: Peripheral data size.

Allowed values:
0: Bits8: Byte (8-bit)
1: Bits16: Half-word (16-bit)
2: Bits32: Word (32-bit)

MSIZE

Bits 13-14: Memory data size.

Allowed values:
0: Bits8: Byte (8-bit)
1: Bits16: Half-word (16-bit)
2: Bits32: Word (32-bit)

PINCOS

Bit 15: Peripheral increment offset size.

PL

Bits 16-17: Priority level.

Allowed values:
0: Low: Low
1: Medium: Medium
2: High: High
3: VeryHigh: Very high

DBM

Bit 18: Double buffer mode.

Allowed values:
0: Disabled: No buffer switching at the end of transfer
1: Enabled: Memory target switched at the end of the DMA transfer

CT

Bit 19: Current target (only in double buffer mode).

Allowed values:
0: Memory0: The current target memory is Memory 0
1: Memory1: The current target memory is Memory 1

PBURST

Bits 21-22: Peripheral burst transfer configuration.

Allowed values:
0: Single: Single transfer
1: INCR4: Incremental burst of 4 beats
2: INCR8: Incremental burst of 8 beats
3: INCR16: Incremental burst of 16 beats

MBURST

Bits 23-24: Memory burst transfer configuration.

Allowed values:
0: Single: Single transfer
1: INCR4: Incremental burst of 4 beats
2: INCR8: Incremental burst of 8 beats
3: INCR16: Incremental burst of 16 beats

CHSEL

Bits 25-27: Channel selection.

Allowed values: 0x0-0x7

NDTR [5]

stream x number of data register

Offset: 0x8c, reset: 0x00000000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
NDT rw

Toggle Fields

NDT

Bits 0-15: Number of data items to transfer.

Allowed values: 0x0-0xffff

PAR [5]

stream x peripheral address register

Offset: 0x90, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
PA rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
PA rw

Toggle Fields

PA

Bits 0-31: Peripheral address.

M0AR [5]

stream x memory 0 address register

Offset: 0x94, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
M0A rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
M0A rw

Toggle Fields

M0A

Bits 0-31: Memory 0 address.

M1AR [5]

stream x memory 1 address register

Offset: 0x98, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
M1A rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
M1A rw

Toggle Fields

M1A

Bits 0-31: Memory 1 address (used in case of Double buffer mode).

FCR [5]

stream x FIFO control register

Offset: 0x9c, reset: 0x00000021, access: Unspecified

4/4 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
								FEIE rw		FS r			DMDIS rw	FTH rw

Toggle Fields

FTH

Bits 0-1: FIFO threshold selection.

Allowed values:
0: Quarter: 1/4 full FIFO
1: Half: 1/2 full FIFO
2: ThreeQuarters: 3/4 full FIFO
3: Full: Full FIFO

DMDIS

Bit 2: Direct mode disable.

Allowed values:
0: Enabled: Direct mode is enabled
1: Disabled: Direct mode is disabled

FS

Bits 3-5: FIFO status.

FEIE

Bit 7: FIFO error interrupt enable.

Allowed values:
0: Disabled: FE interrupt disabled
1: Enabled: FE interrupt enabled

CR [6]

stream x configuration register

Offset: 0xa0, reset: 0x00000000, access: read-write

19/19 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
				CHSEL rw			MBURST rw		PBURST rw			CT rw	DBM rw	PL rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
PINCOS rw	MSIZE rw		PSIZE rw		MINC rw	PINC rw	CIRC rw	DIR rw		PFCTRL rw	TCIE rw	HTIE rw	TEIE rw	DMEIE rw	EN rw

Toggle Fields

EN

Bit 0: Stream enable / flag stream ready when read low.

Allowed values:
0: Disabled: Stream disabled
1: Enabled: Stream enabled

DMEIE

Bit 1: Direct mode error interrupt enable.

Allowed values:
0: Disabled: DME interrupt disabled
1: Enabled: DME interrupt enabled

TEIE

Bit 2: Transfer error interrupt enable.

Allowed values:
0: Disabled: TE interrupt disabled
1: Enabled: TE interrupt enabled

HTIE

Bit 3: Half transfer interrupt enable.

Allowed values:
0: Disabled: HT interrupt disabled
1: Enabled: HT interrupt enabled

TCIE

Bit 4: Transfer complete interrupt enable.

Allowed values:
0: Disabled: TC interrupt disabled
1: Enabled: TC interrupt enabled

PFCTRL

Bit 5: Peripheral flow controller.

Allowed values:
0: DMA: The DMA is the flow controller
1: Peripheral: The peripheral is the flow controller

DIR

Bits 6-7: Data transfer direction.

Allowed values:
0: PeripheralToMemory: Peripheral-to-memory
1: MemoryToPeripheral: Memory-to-peripheral
2: MemoryToMemory: Memory-to-memory

CIRC

Bit 8: Circular mode.

Allowed values:
0: Disabled: Circular mode disabled
1: Enabled: Circular mode enabled

PINC

Bit 9: Peripheral increment mode.

Allowed values:
0: Fixed: Address pointer is fixed
1: Incremented: Address pointer is incremented after each data transfer

MINC

Bit 10: Memory increment mode.

Allowed values:
0: Fixed: Address pointer is fixed
1: Incremented: Address pointer is incremented after each data transfer

PSIZE

Bits 11-12: Peripheral data size.

Allowed values:
0: Bits8: Byte (8-bit)
1: Bits16: Half-word (16-bit)
2: Bits32: Word (32-bit)

MSIZE

Bits 13-14: Memory data size.

Allowed values:
0: Bits8: Byte (8-bit)
1: Bits16: Half-word (16-bit)
2: Bits32: Word (32-bit)

PINCOS

Bit 15: Peripheral increment offset size.

PL

Bits 16-17: Priority level.

Allowed values:
0: Low: Low
1: Medium: Medium
2: High: High
3: VeryHigh: Very high

DBM

Bit 18: Double buffer mode.

Allowed values:
0: Disabled: No buffer switching at the end of transfer
1: Enabled: Memory target switched at the end of the DMA transfer

CT

Bit 19: Current target (only in double buffer mode).

Allowed values:
0: Memory0: The current target memory is Memory 0
1: Memory1: The current target memory is Memory 1

PBURST

Bits 21-22: Peripheral burst transfer configuration.

Allowed values:
0: Single: Single transfer
1: INCR4: Incremental burst of 4 beats
2: INCR8: Incremental burst of 8 beats
3: INCR16: Incremental burst of 16 beats

MBURST

Bits 23-24: Memory burst transfer configuration.

Allowed values:
0: Single: Single transfer
1: INCR4: Incremental burst of 4 beats
2: INCR8: Incremental burst of 8 beats
3: INCR16: Incremental burst of 16 beats

CHSEL

Bits 25-27: Channel selection.

Allowed values: 0x0-0x7

NDTR [6]

stream x number of data register

Offset: 0xa4, reset: 0x00000000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
NDT rw

Toggle Fields

NDT

Bits 0-15: Number of data items to transfer.

Allowed values: 0x0-0xffff

PAR [6]

stream x peripheral address register

Offset: 0xa8, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
PA rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
PA rw

Toggle Fields

PA

Bits 0-31: Peripheral address.

M0AR [6]

stream x memory 0 address register

Offset: 0xac, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
M0A rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
M0A rw

Toggle Fields

M0A

Bits 0-31: Memory 0 address.

M1AR [6]

stream x memory 1 address register

Offset: 0xb0, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
M1A rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
M1A rw

Toggle Fields

M1A

Bits 0-31: Memory 1 address (used in case of Double buffer mode).

FCR [6]

stream x FIFO control register

Offset: 0xb4, reset: 0x00000021, access: Unspecified

4/4 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
								FEIE rw		FS r			DMDIS rw	FTH rw

Toggle Fields

FTH

Bits 0-1: FIFO threshold selection.

Allowed values:
0: Quarter: 1/4 full FIFO
1: Half: 1/2 full FIFO
2: ThreeQuarters: 3/4 full FIFO
3: Full: Full FIFO

DMDIS

Bit 2: Direct mode disable.

Allowed values:
0: Enabled: Direct mode is enabled
1: Disabled: Direct mode is disabled

FS

Bits 3-5: FIFO status.

FEIE

Bit 7: FIFO error interrupt enable.

Allowed values:
0: Disabled: FE interrupt disabled
1: Enabled: FE interrupt enabled

CR [7]

stream x configuration register

Offset: 0xb8, reset: 0x00000000, access: read-write

19/19 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
				CHSEL rw			MBURST rw		PBURST rw			CT rw	DBM rw	PL rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
PINCOS rw	MSIZE rw		PSIZE rw		MINC rw	PINC rw	CIRC rw	DIR rw		PFCTRL rw	TCIE rw	HTIE rw	TEIE rw	DMEIE rw	EN rw

Toggle Fields

EN

Bit 0: Stream enable / flag stream ready when read low.

Allowed values:
0: Disabled: Stream disabled
1: Enabled: Stream enabled

DMEIE

Bit 1: Direct mode error interrupt enable.

Allowed values:
0: Disabled: DME interrupt disabled
1: Enabled: DME interrupt enabled

TEIE

Bit 2: Transfer error interrupt enable.

Allowed values:
0: Disabled: TE interrupt disabled
1: Enabled: TE interrupt enabled

HTIE

Bit 3: Half transfer interrupt enable.

Allowed values:
0: Disabled: HT interrupt disabled
1: Enabled: HT interrupt enabled

TCIE

Bit 4: Transfer complete interrupt enable.

Allowed values:
0: Disabled: TC interrupt disabled
1: Enabled: TC interrupt enabled

PFCTRL

Bit 5: Peripheral flow controller.

Allowed values:
0: DMA: The DMA is the flow controller
1: Peripheral: The peripheral is the flow controller

DIR

Bits 6-7: Data transfer direction.

Allowed values:
0: PeripheralToMemory: Peripheral-to-memory
1: MemoryToPeripheral: Memory-to-peripheral
2: MemoryToMemory: Memory-to-memory

CIRC

Bit 8: Circular mode.

Allowed values:
0: Disabled: Circular mode disabled
1: Enabled: Circular mode enabled

PINC

Bit 9: Peripheral increment mode.

Allowed values:
0: Fixed: Address pointer is fixed
1: Incremented: Address pointer is incremented after each data transfer

MINC

Bit 10: Memory increment mode.

Allowed values:
0: Fixed: Address pointer is fixed
1: Incremented: Address pointer is incremented after each data transfer

PSIZE

Bits 11-12: Peripheral data size.

Allowed values:
0: Bits8: Byte (8-bit)
1: Bits16: Half-word (16-bit)
2: Bits32: Word (32-bit)

MSIZE

Bits 13-14: Memory data size.

Allowed values:
0: Bits8: Byte (8-bit)
1: Bits16: Half-word (16-bit)
2: Bits32: Word (32-bit)

PINCOS

Bit 15: Peripheral increment offset size.

PL

Bits 16-17: Priority level.

Allowed values:
0: Low: Low
1: Medium: Medium
2: High: High
3: VeryHigh: Very high

DBM

Bit 18: Double buffer mode.

Allowed values:
0: Disabled: No buffer switching at the end of transfer
1: Enabled: Memory target switched at the end of the DMA transfer

CT

Bit 19: Current target (only in double buffer mode).

Allowed values:
0: Memory0: The current target memory is Memory 0
1: Memory1: The current target memory is Memory 1

PBURST

Bits 21-22: Peripheral burst transfer configuration.

Allowed values:
0: Single: Single transfer
1: INCR4: Incremental burst of 4 beats
2: INCR8: Incremental burst of 8 beats
3: INCR16: Incremental burst of 16 beats

MBURST

Bits 23-24: Memory burst transfer configuration.

Allowed values:
0: Single: Single transfer
1: INCR4: Incremental burst of 4 beats
2: INCR8: Incremental burst of 8 beats
3: INCR16: Incremental burst of 16 beats

CHSEL

Bits 25-27: Channel selection.

Allowed values: 0x0-0x7

NDTR [7]

stream x number of data register

Offset: 0xbc, reset: 0x00000000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
NDT rw

Toggle Fields

NDT

Bits 0-15: Number of data items to transfer.

Allowed values: 0x0-0xffff

PAR [7]

stream x peripheral address register

Offset: 0xc0, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
PA rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
PA rw

Toggle Fields

PA

Bits 0-31: Peripheral address.

M0AR [7]

stream x memory 0 address register

Offset: 0xc4, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
M0A rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
M0A rw

Toggle Fields

M0A

Bits 0-31: Memory 0 address.

M1AR [7]

stream x memory 1 address register

Offset: 0xc8, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
M1A rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
M1A rw

Toggle Fields

M1A

Bits 0-31: Memory 1 address (used in case of Double buffer mode).

FCR [7]

stream x FIFO control register

Offset: 0xcc, reset: 0x00000021, access: Unspecified

4/4 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
								FEIE rw		FS r			DMDIS rw	FTH rw

Toggle Fields

FTH

Bits 0-1: FIFO threshold selection.

Allowed values:
0: Quarter: 1/4 full FIFO
1: Half: 1/2 full FIFO
2: ThreeQuarters: 3/4 full FIFO
3: Full: Full FIFO

DMDIS

Bit 2: Direct mode disable.

Allowed values:
0: Enabled: Direct mode is enabled
1: Disabled: Direct mode is disabled

FS

Bits 3-5: FIFO status.

FEIE

Bit 7: FIFO error interrupt enable.

Allowed values:
0: Disabled: FE interrupt disabled
1: Enabled: FE interrupt enabled

DMA2

0x40026400: DMA controller

272/296 fields covered. Toggle Registers

Show register map

Offset	Name	31	27	26	25	24	22	21	20	19	18	17	16	15	14	12	11	10	9	8	7	6	5	4	3	2	1	0
0x0	LISR		TCIF3	HTIF3	TEIF3	DMEIF3	FEIF3	TCIF2	HTIF2	TEIF2	DMEIF2		FEIF2				TCIF1	HTIF1	TEIF1	DMEIF1		FEIF1	TCIF0	HTIF0	TEIF0	DMEIF0		FEIF0
0x4	HISR		TCIF7	HTIF7	TEIF7	DMEIF7	FEIF7	TCIF6	HTIF6	TEIF6	DMEIF6		FEIF6				TCIF5	HTIF5	TEIF5	DMEIF5		FEIF5	TCIF4	HTIF4	TEIF4	DMEIF4		FEIF4
0x8	LIFCR		CTCIF3	CHTIF3	CTEIF3	CDMEIF3	CFEIF3	CTCIF2	CHTIF2	CTEIF2	CDMEIF2		CFEIF2				CTCIF1	CHTIF1	CTEIF1	CDMEIF1		CFEIF1	CTCIF0	CHTIF0	CTEIF0	CDMEIF0		CFEIF0
0xc	HIFCR		CTCIF7	CHTIF7	CTEIF7	CDMEIF7	CFEIF7	CTCIF6	CHTIF6	CTEIF6	CDMEIF6		CFEIF6				CTCIF5	CHTIF5	CTEIF5	CDMEIF5		CFEIF5	CTCIF4	CHTIF4	CTEIF4	CDMEIF4		CFEIF4
0x10	CR [0]		CHSEL			MBURST	PBURST			CT	DBM	PL		PINCOS	MSIZE	PSIZE		MINC	PINC	CIRC	DIR		PFCTRL	TCIE	HTIE	TEIE	DMEIE	EN
0x14	NDTR [0]													NDT
0x18	PAR [0]	PA												PA
0x1c	M0AR [0]	M0A												M0A
0x20	M1AR [0]	M1A												M1A
0x24	FCR [0]																				FEIE		FS			DMDIS	FTH
0x28	CR [1]		CHSEL			MBURST	PBURST			CT	DBM	PL		PINCOS	MSIZE	PSIZE		MINC	PINC	CIRC	DIR		PFCTRL	TCIE	HTIE	TEIE	DMEIE	EN
0x2c	NDTR [1]													NDT
0x30	PAR [1]	PA												PA
0x34	M0AR [1]	M0A												M0A
0x38	M1AR [1]	M1A												M1A
0x3c	FCR [1]																				FEIE		FS			DMDIS	FTH
0x40	CR [2]		CHSEL			MBURST	PBURST			CT	DBM	PL		PINCOS	MSIZE	PSIZE		MINC	PINC	CIRC	DIR		PFCTRL	TCIE	HTIE	TEIE	DMEIE	EN
0x44	NDTR [2]													NDT
0x48	PAR [2]	PA												PA
0x4c	M0AR [2]	M0A												M0A
0x50	M1AR [2]	M1A												M1A
0x54	FCR [2]																				FEIE		FS			DMDIS	FTH
0x58	CR [3]		CHSEL			MBURST	PBURST			CT	DBM	PL		PINCOS	MSIZE	PSIZE		MINC	PINC	CIRC	DIR		PFCTRL	TCIE	HTIE	TEIE	DMEIE	EN
0x5c	NDTR [3]													NDT
0x60	PAR [3]	PA												PA
0x64	M0AR [3]	M0A												M0A
0x68	M1AR [3]	M1A												M1A
0x6c	FCR [3]																				FEIE		FS			DMDIS	FTH
0x70	CR [4]		CHSEL			MBURST	PBURST			CT	DBM	PL		PINCOS	MSIZE	PSIZE		MINC	PINC	CIRC	DIR		PFCTRL	TCIE	HTIE	TEIE	DMEIE	EN
0x74	NDTR [4]													NDT
0x78	PAR [4]	PA												PA
0x7c	M0AR [4]	M0A												M0A
0x80	M1AR [4]	M1A												M1A
0x84	FCR [4]																				FEIE		FS			DMDIS	FTH
0x88	CR [5]		CHSEL			MBURST	PBURST			CT	DBM	PL		PINCOS	MSIZE	PSIZE		MINC	PINC	CIRC	DIR		PFCTRL	TCIE	HTIE	TEIE	DMEIE	EN
0x8c	NDTR [5]													NDT
0x90	PAR [5]	PA												PA
0x94	M0AR [5]	M0A												M0A
0x98	M1AR [5]	M1A												M1A
0x9c	FCR [5]																				FEIE		FS			DMDIS	FTH
0xa0	CR [6]		CHSEL			MBURST	PBURST			CT	DBM	PL		PINCOS	MSIZE	PSIZE		MINC	PINC	CIRC	DIR		PFCTRL	TCIE	HTIE	TEIE	DMEIE	EN
0xa4	NDTR [6]													NDT
0xa8	PAR [6]	PA												PA
0xac	M0AR [6]	M0A												M0A
0xb0	M1AR [6]	M1A												M1A
0xb4	FCR [6]																				FEIE		FS			DMDIS	FTH
0xb8	CR [7]		CHSEL			MBURST	PBURST			CT	DBM	PL		PINCOS	MSIZE	PSIZE		MINC	PINC	CIRC	DIR		PFCTRL	TCIE	HTIE	TEIE	DMEIE	EN
0xbc	NDTR [7]													NDT
0xc0	PAR [7]	PA												PA
0xc4	M0AR [7]	M0A												M0A
0xc8	M1AR [7]	M1A												M1A
0xcc	FCR [7]																				FEIE		FS			DMDIS	FTH

LISR

low interrupt status register

Offset: 0x0, reset: 0x00000000, access: read-only

20/20 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
				TCIF3 r	HTIF3 r	TEIF3 r	DMEIF3 r		FEIF3 r	TCIF2 r	HTIF2 r	TEIF2 r	DMEIF2 r		FEIF2 r
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
				TCIF1 r	HTIF1 r	TEIF1 r	DMEIF1 r		FEIF1 r	TCIF0 r	HTIF0 r	TEIF0 r	DMEIF0 r		FEIF0 r

Toggle Fields

FEIF0

Bit 0: Stream x FIFO error interrupt flag (x=3..0).

Allowed values:
0: NoError: No FIFO error event on stream x
1: Error: A FIFO error event occurred on stream x

DMEIF0

Bit 2: Stream x direct mode error interrupt flag (x=3..0).

Allowed values:
0: NoError: No Direct Mode error on stream x
1: Error: A Direct Mode error occurred on stream x

TEIF0

Bit 3: Stream x transfer error interrupt flag (x=3..0).

Allowed values:
0: NoError: No transfer error on stream x
1: Error: A transfer error occurred on stream x

HTIF0

Bit 4: Stream x half transfer interrupt flag (x=3..0).

Allowed values:
0: NotHalf: No half transfer event on stream x
1: Half: A half transfer event occurred on stream x

TCIF0

Bit 5: Stream x transfer complete interrupt flag (x = 3..0).

Allowed values:
0: NotComplete: No transfer complete event on stream x
1: Complete: A transfer complete event occurred on stream x

FEIF1

Bit 6: Stream x FIFO error interrupt flag (x=3..0).

Allowed values:
0: NoError: No FIFO error event on stream x
1: Error: A FIFO error event occurred on stream x

DMEIF1

Bit 8: Stream x direct mode error interrupt flag (x=3..0).

Allowed values:
0: NoError: No Direct Mode error on stream x
1: Error: A Direct Mode error occurred on stream x

TEIF1

Bit 9: Stream x transfer error interrupt flag (x=3..0).

Allowed values:
0: NoError: No transfer error on stream x
1: Error: A transfer error occurred on stream x

HTIF1

Bit 10: Stream x half transfer interrupt flag (x=3..0).

Allowed values:
0: NotHalf: No half transfer event on stream x
1: Half: A half transfer event occurred on stream x

TCIF1

Bit 11: Stream x transfer complete interrupt flag (x = 3..0).

Allowed values:
0: NotComplete: No transfer complete event on stream x
1: Complete: A transfer complete event occurred on stream x

FEIF2

Bit 16: Stream x FIFO error interrupt flag (x=3..0).

Allowed values:
0: NoError: No FIFO error event on stream x
1: Error: A FIFO error event occurred on stream x

DMEIF2

Bit 18: Stream x direct mode error interrupt flag (x=3..0).

Allowed values:
0: NoError: No Direct Mode error on stream x
1: Error: A Direct Mode error occurred on stream x

TEIF2

Bit 19: Stream x transfer error interrupt flag (x=3..0).

Allowed values:
0: NoError: No transfer error on stream x
1: Error: A transfer error occurred on stream x

HTIF2

Bit 20: Stream x half transfer interrupt flag (x=3..0).

Allowed values:
0: NotHalf: No half transfer event on stream x
1: Half: A half transfer event occurred on stream x

TCIF2

Bit 21: Stream x transfer complete interrupt flag (x = 3..0).

Allowed values:
0: NotComplete: No transfer complete event on stream x
1: Complete: A transfer complete event occurred on stream x

FEIF3

Bit 22: Stream x FIFO error interrupt flag (x=3..0).

Allowed values:
0: NoError: No FIFO error event on stream x
1: Error: A FIFO error event occurred on stream x

DMEIF3

Bit 24: Stream x direct mode error interrupt flag (x=3..0).

Allowed values:
0: NoError: No Direct Mode error on stream x
1: Error: A Direct Mode error occurred on stream x

TEIF3

Bit 25: Stream x transfer error interrupt flag (x=3..0).

Allowed values:
0: NoError: No transfer error on stream x
1: Error: A transfer error occurred on stream x

HTIF3

Bit 26: Stream x half transfer interrupt flag (x=3..0).

Allowed values:
0: NotHalf: No half transfer event on stream x
1: Half: A half transfer event occurred on stream x

TCIF3

Bit 27: Stream x transfer complete interrupt flag (x = 3..0).

Allowed values:
0: NotComplete: No transfer complete event on stream x
1: Complete: A transfer complete event occurred on stream x

HISR

high interrupt status register

Offset: 0x4, reset: 0x00000000, access: read-only

20/20 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
				TCIF7 r	HTIF7 r	TEIF7 r	DMEIF7 r		FEIF7 r	TCIF6 r	HTIF6 r	TEIF6 r	DMEIF6 r		FEIF6 r
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
				TCIF5 r	HTIF5 r	TEIF5 r	DMEIF5 r		FEIF5 r	TCIF4 r	HTIF4 r	TEIF4 r	DMEIF4 r		FEIF4 r

Toggle Fields

FEIF4

Bit 0: Stream x FIFO error interrupt flag (x=7..4).

Allowed values:
0: NoError: No FIFO error event on stream x
1: Error: A FIFO error event occurred on stream x

DMEIF4

Bit 2: Stream x direct mode error interrupt flag (x=7..4).

Allowed values:
0: NoError: No Direct Mode error on stream x
1: Error: A Direct Mode error occurred on stream x

TEIF4

Bit 3: Stream x transfer error interrupt flag (x=7..4).

Allowed values:
0: NoError: No transfer error on stream x
1: Error: A transfer error occurred on stream x

HTIF4

Bit 4: Stream x half transfer interrupt flag (x=7..4).

Allowed values:
0: NotHalf: No half transfer event on stream x
1: Half: A half transfer event occurred on stream x

TCIF4

Bit 5: Stream x transfer complete interrupt flag (x=7..4).

Allowed values:
0: NotComplete: No transfer complete event on stream x
1: Complete: A transfer complete event occurred on stream x

FEIF5

Bit 6: Stream x FIFO error interrupt flag (x=7..4).

Allowed values:
0: NoError: No FIFO error event on stream x
1: Error: A FIFO error event occurred on stream x

DMEIF5

Bit 8: Stream x direct mode error interrupt flag (x=7..4).

Allowed values:
0: NoError: No Direct Mode error on stream x
1: Error: A Direct Mode error occurred on stream x

TEIF5

Bit 9: Stream x transfer error interrupt flag (x=7..4).

Allowed values:
0: NoError: No transfer error on stream x
1: Error: A transfer error occurred on stream x

HTIF5

Bit 10: Stream x half transfer interrupt flag (x=7..4).

Allowed values:
0: NotHalf: No half transfer event on stream x
1: Half: A half transfer event occurred on stream x

TCIF5

Bit 11: Stream x transfer complete interrupt flag (x=7..4).

Allowed values:
0: NotComplete: No transfer complete event on stream x
1: Complete: A transfer complete event occurred on stream x

FEIF6

Bit 16: Stream x FIFO error interrupt flag (x=7..4).

Allowed values:
0: NoError: No FIFO error event on stream x
1: Error: A FIFO error event occurred on stream x

DMEIF6

Bit 18: Stream x direct mode error interrupt flag (x=7..4).

Allowed values:
0: NoError: No Direct Mode error on stream x
1: Error: A Direct Mode error occurred on stream x

TEIF6

Bit 19: Stream x transfer error interrupt flag (x=7..4).

Allowed values:
0: NoError: No transfer error on stream x
1: Error: A transfer error occurred on stream x

HTIF6

Bit 20: Stream x half transfer interrupt flag (x=7..4).

Allowed values:
0: NotHalf: No half transfer event on stream x
1: Half: A half transfer event occurred on stream x

TCIF6

Bit 21: Stream x transfer complete interrupt flag (x=7..4).

Allowed values:
0: NotComplete: No transfer complete event on stream x
1: Complete: A transfer complete event occurred on stream x

FEIF7

Bit 22: Stream x FIFO error interrupt flag (x=7..4).

Allowed values:
0: NoError: No FIFO error event on stream x
1: Error: A FIFO error event occurred on stream x

DMEIF7

Bit 24: Stream x direct mode error interrupt flag (x=7..4).

Allowed values:
0: NoError: No Direct Mode error on stream x
1: Error: A Direct Mode error occurred on stream x

TEIF7

Bit 25: Stream x transfer error interrupt flag (x=7..4).

Allowed values:
0: NoError: No transfer error on stream x
1: Error: A transfer error occurred on stream x

HTIF7

Bit 26: Stream x half transfer interrupt flag (x=7..4).

Allowed values:
0: NotHalf: No half transfer event on stream x
1: Half: A half transfer event occurred on stream x

TCIF7

Bit 27: Stream x transfer complete interrupt flag (x=7..4).

Allowed values:
0: NotComplete: No transfer complete event on stream x
1: Complete: A transfer complete event occurred on stream x

LIFCR

low interrupt flag clear register

Offset: 0x8, reset: 0x00000000, access: write-only

20/20 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
				CTCIF3 w	CHTIF3 w	CTEIF3 w	CDMEIF3 w		CFEIF3 w	CTCIF2 w	CHTIF2 w	CTEIF2 w	CDMEIF2 w		CFEIF2 w
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
				CTCIF1 w	CHTIF1 w	CTEIF1 w	CDMEIF1 w		CFEIF1 w	CTCIF0 w	CHTIF0 w	CTEIF0 w	CDMEIF0 w		CFEIF0 w

Toggle Fields

CFEIF0

Bit 0: Stream x clear FIFO error interrupt flag (x = 3..0).

Allowed values:
1: Clear: Clear the corresponding CFEIFx flag

CDMEIF0

Bit 2: Stream x clear direct mode error interrupt flag (x = 3..0).

Allowed values:
1: Clear: Clear the corresponding DMEIFx flag

CTEIF0

Bit 3: Stream x clear transfer error interrupt flag (x = 3..0).

Allowed values:
1: Clear: Clear the corresponding TEIFx flag

CHTIF0

Bit 4: Stream x clear half transfer interrupt flag (x = 3..0).

Allowed values:
1: Clear: Clear the corresponding HTIFx flag

CTCIF0

Bit 5: Stream x clear transfer complete interrupt flag (x = 3..0).

Allowed values:
1: Clear: Clear the corresponding TCIFx flag

CFEIF1

Bit 6: Stream x clear FIFO error interrupt flag (x = 3..0).

Allowed values:
1: Clear: Clear the corresponding CFEIFx flag

CDMEIF1

Bit 8: Stream x clear direct mode error interrupt flag (x = 3..0).

Allowed values:
1: Clear: Clear the corresponding DMEIFx flag

CTEIF1

Bit 9: Stream x clear transfer error interrupt flag (x = 3..0).

Allowed values:
1: Clear: Clear the corresponding TEIFx flag

CHTIF1

Bit 10: Stream x clear half transfer interrupt flag (x = 3..0).

Allowed values:
1: Clear: Clear the corresponding HTIFx flag

CTCIF1

Bit 11: Stream x clear transfer complete interrupt flag (x = 3..0).

Allowed values:
1: Clear: Clear the corresponding TCIFx flag

CFEIF2

Bit 16: Stream x clear FIFO error interrupt flag (x = 3..0).

Allowed values:
1: Clear: Clear the corresponding CFEIFx flag

CDMEIF2

Bit 18: Stream x clear direct mode error interrupt flag (x = 3..0).

Allowed values:
1: Clear: Clear the corresponding DMEIFx flag

CTEIF2

Bit 19: Stream x clear transfer error interrupt flag (x = 3..0).

Allowed values:
1: Clear: Clear the corresponding TEIFx flag

CHTIF2

Bit 20: Stream x clear half transfer interrupt flag (x = 3..0).

Allowed values:
1: Clear: Clear the corresponding HTIFx flag

CTCIF2

Bit 21: Stream x clear transfer complete interrupt flag (x = 3..0).

Allowed values:
1: Clear: Clear the corresponding TCIFx flag

CFEIF3

Bit 22: Stream x clear FIFO error interrupt flag (x = 3..0).

Allowed values:
1: Clear: Clear the corresponding CFEIFx flag

CDMEIF3

Bit 24: Stream x clear direct mode error interrupt flag (x = 3..0).

Allowed values:
1: Clear: Clear the corresponding DMEIFx flag

CTEIF3

Bit 25: Stream x clear transfer error interrupt flag (x = 3..0).

Allowed values:
1: Clear: Clear the corresponding TEIFx flag

CHTIF3

Bit 26: Stream x clear half transfer interrupt flag (x = 3..0).

Allowed values:
1: Clear: Clear the corresponding HTIFx flag

CTCIF3

Bit 27: Stream x clear transfer complete interrupt flag (x = 3..0).

Allowed values:
1: Clear: Clear the corresponding TCIFx flag

HIFCR

high interrupt flag clear register

Offset: 0xc, reset: 0x00000000, access: write-only

20/20 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
				CTCIF7 w	CHTIF7 w	CTEIF7 w	CDMEIF7 w		CFEIF7 w	CTCIF6 w	CHTIF6 w	CTEIF6 w	CDMEIF6 w		CFEIF6 w
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
				CTCIF5 w	CHTIF5 w	CTEIF5 w	CDMEIF5 w		CFEIF5 w	CTCIF4 w	CHTIF4 w	CTEIF4 w	CDMEIF4 w		CFEIF4 w

Toggle Fields

CFEIF4

Bit 0: Stream x clear FIFO error interrupt flag (x = 7..4).

Allowed values:
1: Clear: Clear the corresponding CFEIFx flag

CDMEIF4

Bit 2: Stream x clear direct mode error interrupt flag (x = 7..4).

Allowed values:
1: Clear: Clear the corresponding DMEIFx flag

CTEIF4

Bit 3: Stream x clear transfer error interrupt flag (x = 7..4).

Allowed values:
1: Clear: Clear the corresponding TEIFx flag

CHTIF4

Bit 4: Stream x clear half transfer interrupt flag (x = 7..4).

Allowed values:
1: Clear: Clear the corresponding HTIFx flag

CTCIF4

Bit 5: Stream x clear transfer complete interrupt flag (x = 7..4).

Allowed values:
1: Clear: Clear the corresponding TCIFx flag

CFEIF5

Bit 6: Stream x clear FIFO error interrupt flag (x = 7..4).

Allowed values:
1: Clear: Clear the corresponding CFEIFx flag

CDMEIF5

Bit 8: Stream x clear direct mode error interrupt flag (x = 7..4).

Allowed values:
1: Clear: Clear the corresponding DMEIFx flag

CTEIF5

Bit 9: Stream x clear transfer error interrupt flag (x = 7..4).

Allowed values:
1: Clear: Clear the corresponding TEIFx flag

CHTIF5

Bit 10: Stream x clear half transfer interrupt flag (x = 7..4).

Allowed values:
1: Clear: Clear the corresponding HTIFx flag

CTCIF5

Bit 11: Stream x clear transfer complete interrupt flag (x = 7..4).

Allowed values:
1: Clear: Clear the corresponding TCIFx flag

CFEIF6

Bit 16: Stream x clear FIFO error interrupt flag (x = 7..4).

Allowed values:
1: Clear: Clear the corresponding CFEIFx flag

CDMEIF6

Bit 18: Stream x clear direct mode error interrupt flag (x = 7..4).

Allowed values:
1: Clear: Clear the corresponding DMEIFx flag

CTEIF6

Bit 19: Stream x clear transfer error interrupt flag (x = 7..4).

Allowed values:
1: Clear: Clear the corresponding TEIFx flag

CHTIF6

Bit 20: Stream x clear half transfer interrupt flag (x = 7..4).

Allowed values:
1: Clear: Clear the corresponding HTIFx flag

CTCIF6

Bit 21: Stream x clear transfer complete interrupt flag (x = 7..4).

Allowed values:
1: Clear: Clear the corresponding TCIFx flag

CFEIF7

Bit 22: Stream x clear FIFO error interrupt flag (x = 7..4).

Allowed values:
1: Clear: Clear the corresponding CFEIFx flag

CDMEIF7

Bit 24: Stream x clear direct mode error interrupt flag (x = 7..4).

Allowed values:
1: Clear: Clear the corresponding DMEIFx flag

CTEIF7

Bit 25: Stream x clear transfer error interrupt flag (x = 7..4).

Allowed values:
1: Clear: Clear the corresponding TEIFx flag

CHTIF7

Bit 26: Stream x clear half transfer interrupt flag (x = 7..4).

Allowed values:
1: Clear: Clear the corresponding HTIFx flag

CTCIF7

Bit 27: Stream x clear transfer complete interrupt flag (x = 7..4).

Allowed values:
1: Clear: Clear the corresponding TCIFx flag

CR [0]

stream x configuration register

Offset: 0x10, reset: 0x00000000, access: read-write

19/19 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
				CHSEL rw			MBURST rw		PBURST rw			CT rw	DBM rw	PL rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
PINCOS rw	MSIZE rw		PSIZE rw		MINC rw	PINC rw	CIRC rw	DIR rw		PFCTRL rw	TCIE rw	HTIE rw	TEIE rw	DMEIE rw	EN rw

Toggle Fields

EN

Bit 0: Stream enable / flag stream ready when read low.

Allowed values:
0: Disabled: Stream disabled
1: Enabled: Stream enabled

DMEIE

Bit 1: Direct mode error interrupt enable.

Allowed values:
0: Disabled: DME interrupt disabled
1: Enabled: DME interrupt enabled

TEIE

Bit 2: Transfer error interrupt enable.

Allowed values:
0: Disabled: TE interrupt disabled
1: Enabled: TE interrupt enabled

HTIE

Bit 3: Half transfer interrupt enable.

Allowed values:
0: Disabled: HT interrupt disabled
1: Enabled: HT interrupt enabled

TCIE

Bit 4: Transfer complete interrupt enable.

Allowed values:
0: Disabled: TC interrupt disabled
1: Enabled: TC interrupt enabled

PFCTRL

Bit 5: Peripheral flow controller.

Allowed values:
0: DMA: The DMA is the flow controller
1: Peripheral: The peripheral is the flow controller

DIR

Bits 6-7: Data transfer direction.

Allowed values:
0: PeripheralToMemory: Peripheral-to-memory
1: MemoryToPeripheral: Memory-to-peripheral
2: MemoryToMemory: Memory-to-memory

CIRC

Bit 8: Circular mode.

Allowed values:
0: Disabled: Circular mode disabled
1: Enabled: Circular mode enabled

PINC

Bit 9: Peripheral increment mode.

Allowed values:
0: Fixed: Address pointer is fixed
1: Incremented: Address pointer is incremented after each data transfer

MINC

Bit 10: Memory increment mode.

Allowed values:
0: Fixed: Address pointer is fixed
1: Incremented: Address pointer is incremented after each data transfer

PSIZE

Bits 11-12: Peripheral data size.

Allowed values:
0: Bits8: Byte (8-bit)
1: Bits16: Half-word (16-bit)
2: Bits32: Word (32-bit)

MSIZE

Bits 13-14: Memory data size.

Allowed values:
0: Bits8: Byte (8-bit)
1: Bits16: Half-word (16-bit)
2: Bits32: Word (32-bit)

PINCOS

Bit 15: Peripheral increment offset size.

PL

Bits 16-17: Priority level.

Allowed values:
0: Low: Low
1: Medium: Medium
2: High: High
3: VeryHigh: Very high

DBM

Bit 18: Double buffer mode.

Allowed values:
0: Disabled: No buffer switching at the end of transfer
1: Enabled: Memory target switched at the end of the DMA transfer

CT

Bit 19: Current target (only in double buffer mode).

Allowed values:
0: Memory0: The current target memory is Memory 0
1: Memory1: The current target memory is Memory 1

PBURST

Bits 21-22: Peripheral burst transfer configuration.

Allowed values:
0: Single: Single transfer
1: INCR4: Incremental burst of 4 beats
2: INCR8: Incremental burst of 8 beats
3: INCR16: Incremental burst of 16 beats

MBURST

Bits 23-24: Memory burst transfer configuration.

Allowed values:
0: Single: Single transfer
1: INCR4: Incremental burst of 4 beats
2: INCR8: Incremental burst of 8 beats
3: INCR16: Incremental burst of 16 beats

CHSEL

Bits 25-27: Channel selection.

Allowed values: 0x0-0x7

NDTR [0]

stream x number of data register

Offset: 0x14, reset: 0x00000000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
NDT rw

Toggle Fields

NDT

Bits 0-15: Number of data items to transfer.

Allowed values: 0x0-0xffff

PAR [0]

stream x peripheral address register

Offset: 0x18, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
PA rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
PA rw

Toggle Fields

PA

Bits 0-31: Peripheral address.

M0AR [0]

stream x memory 0 address register

Offset: 0x1c, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
M0A rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
M0A rw

Toggle Fields

M0A

Bits 0-31: Memory 0 address.

M1AR [0]

stream x memory 1 address register

Offset: 0x20, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
M1A rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
M1A rw

Toggle Fields

M1A

Bits 0-31: Memory 1 address (used in case of Double buffer mode).

FCR [0]

stream x FIFO control register

Offset: 0x24, reset: 0x00000021, access: Unspecified

4/4 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
								FEIE rw		FS r			DMDIS rw	FTH rw

Toggle Fields

FTH

Bits 0-1: FIFO threshold selection.

Allowed values:
0: Quarter: 1/4 full FIFO
1: Half: 1/2 full FIFO
2: ThreeQuarters: 3/4 full FIFO
3: Full: Full FIFO

DMDIS

Bit 2: Direct mode disable.

Allowed values:
0: Enabled: Direct mode is enabled
1: Disabled: Direct mode is disabled

FS

Bits 3-5: FIFO status.

FEIE

Bit 7: FIFO error interrupt enable.

Allowed values:
0: Disabled: FE interrupt disabled
1: Enabled: FE interrupt enabled

CR [1]

stream x configuration register

Offset: 0x28, reset: 0x00000000, access: read-write

19/19 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
				CHSEL rw			MBURST rw		PBURST rw			CT rw	DBM rw	PL rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
PINCOS rw	MSIZE rw		PSIZE rw		MINC rw	PINC rw	CIRC rw	DIR rw		PFCTRL rw	TCIE rw	HTIE rw	TEIE rw	DMEIE rw	EN rw

Toggle Fields

EN

Bit 0: Stream enable / flag stream ready when read low.

Allowed values:
0: Disabled: Stream disabled
1: Enabled: Stream enabled

DMEIE

Bit 1: Direct mode error interrupt enable.

Allowed values:
0: Disabled: DME interrupt disabled
1: Enabled: DME interrupt enabled

TEIE

Bit 2: Transfer error interrupt enable.

Allowed values:
0: Disabled: TE interrupt disabled
1: Enabled: TE interrupt enabled

HTIE

Bit 3: Half transfer interrupt enable.

Allowed values:
0: Disabled: HT interrupt disabled
1: Enabled: HT interrupt enabled

TCIE

Bit 4: Transfer complete interrupt enable.

Allowed values:
0: Disabled: TC interrupt disabled
1: Enabled: TC interrupt enabled

PFCTRL

Bit 5: Peripheral flow controller.

Allowed values:
0: DMA: The DMA is the flow controller
1: Peripheral: The peripheral is the flow controller

DIR

Bits 6-7: Data transfer direction.

Allowed values:
0: PeripheralToMemory: Peripheral-to-memory
1: MemoryToPeripheral: Memory-to-peripheral
2: MemoryToMemory: Memory-to-memory

CIRC

Bit 8: Circular mode.

Allowed values:
0: Disabled: Circular mode disabled
1: Enabled: Circular mode enabled

PINC

Bit 9: Peripheral increment mode.

Allowed values:
0: Fixed: Address pointer is fixed
1: Incremented: Address pointer is incremented after each data transfer

MINC

Bit 10: Memory increment mode.

Allowed values:
0: Fixed: Address pointer is fixed
1: Incremented: Address pointer is incremented after each data transfer

PSIZE

Bits 11-12: Peripheral data size.

Allowed values:
0: Bits8: Byte (8-bit)
1: Bits16: Half-word (16-bit)
2: Bits32: Word (32-bit)

MSIZE

Bits 13-14: Memory data size.

Allowed values:
0: Bits8: Byte (8-bit)
1: Bits16: Half-word (16-bit)
2: Bits32: Word (32-bit)

PINCOS

Bit 15: Peripheral increment offset size.

PL

Bits 16-17: Priority level.

Allowed values:
0: Low: Low
1: Medium: Medium
2: High: High
3: VeryHigh: Very high

DBM

Bit 18: Double buffer mode.

Allowed values:
0: Disabled: No buffer switching at the end of transfer
1: Enabled: Memory target switched at the end of the DMA transfer

CT

Bit 19: Current target (only in double buffer mode).

Allowed values:
0: Memory0: The current target memory is Memory 0
1: Memory1: The current target memory is Memory 1

PBURST

Bits 21-22: Peripheral burst transfer configuration.

Allowed values:
0: Single: Single transfer
1: INCR4: Incremental burst of 4 beats
2: INCR8: Incremental burst of 8 beats
3: INCR16: Incremental burst of 16 beats

MBURST

Bits 23-24: Memory burst transfer configuration.

Allowed values:
0: Single: Single transfer
1: INCR4: Incremental burst of 4 beats
2: INCR8: Incremental burst of 8 beats
3: INCR16: Incremental burst of 16 beats

CHSEL

Bits 25-27: Channel selection.

Allowed values: 0x0-0x7

NDTR [1]

stream x number of data register

Offset: 0x2c, reset: 0x00000000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
NDT rw

Toggle Fields

NDT

Bits 0-15: Number of data items to transfer.

Allowed values: 0x0-0xffff

PAR [1]

stream x peripheral address register

Offset: 0x30, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
PA rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
PA rw

Toggle Fields

PA

Bits 0-31: Peripheral address.

M0AR [1]

stream x memory 0 address register

Offset: 0x34, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
M0A rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
M0A rw

Toggle Fields

M0A

Bits 0-31: Memory 0 address.

M1AR [1]

stream x memory 1 address register

Offset: 0x38, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
M1A rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
M1A rw

Toggle Fields

M1A

Bits 0-31: Memory 1 address (used in case of Double buffer mode).

FCR [1]

stream x FIFO control register

Offset: 0x3c, reset: 0x00000021, access: Unspecified

4/4 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
								FEIE rw		FS r			DMDIS rw	FTH rw

Toggle Fields

FTH

Bits 0-1: FIFO threshold selection.

Allowed values:
0: Quarter: 1/4 full FIFO
1: Half: 1/2 full FIFO
2: ThreeQuarters: 3/4 full FIFO
3: Full: Full FIFO

DMDIS

Bit 2: Direct mode disable.

Allowed values:
0: Enabled: Direct mode is enabled
1: Disabled: Direct mode is disabled

FS

Bits 3-5: FIFO status.

FEIE

Bit 7: FIFO error interrupt enable.

Allowed values:
0: Disabled: FE interrupt disabled
1: Enabled: FE interrupt enabled

CR [2]

stream x configuration register

Offset: 0x40, reset: 0x00000000, access: read-write

19/19 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
				CHSEL rw			MBURST rw		PBURST rw			CT rw	DBM rw	PL rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
PINCOS rw	MSIZE rw		PSIZE rw		MINC rw	PINC rw	CIRC rw	DIR rw		PFCTRL rw	TCIE rw	HTIE rw	TEIE rw	DMEIE rw	EN rw

Toggle Fields

EN

Bit 0: Stream enable / flag stream ready when read low.

Allowed values:
0: Disabled: Stream disabled
1: Enabled: Stream enabled

DMEIE

Bit 1: Direct mode error interrupt enable.

Allowed values:
0: Disabled: DME interrupt disabled
1: Enabled: DME interrupt enabled

TEIE

Bit 2: Transfer error interrupt enable.

Allowed values:
0: Disabled: TE interrupt disabled
1: Enabled: TE interrupt enabled

HTIE

Bit 3: Half transfer interrupt enable.

Allowed values:
0: Disabled: HT interrupt disabled
1: Enabled: HT interrupt enabled

TCIE

Bit 4: Transfer complete interrupt enable.

Allowed values:
0: Disabled: TC interrupt disabled
1: Enabled: TC interrupt enabled

PFCTRL

Bit 5: Peripheral flow controller.

Allowed values:
0: DMA: The DMA is the flow controller
1: Peripheral: The peripheral is the flow controller

DIR

Bits 6-7: Data transfer direction.

Allowed values:
0: PeripheralToMemory: Peripheral-to-memory
1: MemoryToPeripheral: Memory-to-peripheral
2: MemoryToMemory: Memory-to-memory

CIRC

Bit 8: Circular mode.

Allowed values:
0: Disabled: Circular mode disabled
1: Enabled: Circular mode enabled

PINC

Bit 9: Peripheral increment mode.

Allowed values:
0: Fixed: Address pointer is fixed
1: Incremented: Address pointer is incremented after each data transfer

MINC

Bit 10: Memory increment mode.

Allowed values:
0: Fixed: Address pointer is fixed
1: Incremented: Address pointer is incremented after each data transfer

PSIZE

Bits 11-12: Peripheral data size.

Allowed values:
0: Bits8: Byte (8-bit)
1: Bits16: Half-word (16-bit)
2: Bits32: Word (32-bit)

MSIZE

Bits 13-14: Memory data size.

Allowed values:
0: Bits8: Byte (8-bit)
1: Bits16: Half-word (16-bit)
2: Bits32: Word (32-bit)

PINCOS

Bit 15: Peripheral increment offset size.

PL

Bits 16-17: Priority level.

Allowed values:
0: Low: Low
1: Medium: Medium
2: High: High
3: VeryHigh: Very high

DBM

Bit 18: Double buffer mode.

Allowed values:
0: Disabled: No buffer switching at the end of transfer
1: Enabled: Memory target switched at the end of the DMA transfer

CT

Bit 19: Current target (only in double buffer mode).

Allowed values:
0: Memory0: The current target memory is Memory 0
1: Memory1: The current target memory is Memory 1

PBURST

Bits 21-22: Peripheral burst transfer configuration.

Allowed values:
0: Single: Single transfer
1: INCR4: Incremental burst of 4 beats
2: INCR8: Incremental burst of 8 beats
3: INCR16: Incremental burst of 16 beats

MBURST

Bits 23-24: Memory burst transfer configuration.

Allowed values:
0: Single: Single transfer
1: INCR4: Incremental burst of 4 beats
2: INCR8: Incremental burst of 8 beats
3: INCR16: Incremental burst of 16 beats

CHSEL

Bits 25-27: Channel selection.

Allowed values: 0x0-0x7

NDTR [2]

stream x number of data register

Offset: 0x44, reset: 0x00000000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
NDT rw

Toggle Fields

NDT

Bits 0-15: Number of data items to transfer.

Allowed values: 0x0-0xffff

PAR [2]

stream x peripheral address register

Offset: 0x48, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
PA rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
PA rw

Toggle Fields

PA

Bits 0-31: Peripheral address.

M0AR [2]

stream x memory 0 address register

Offset: 0x4c, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
M0A rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
M0A rw

Toggle Fields

M0A

Bits 0-31: Memory 0 address.

M1AR [2]

stream x memory 1 address register

Offset: 0x50, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
M1A rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
M1A rw

Toggle Fields

M1A

Bits 0-31: Memory 1 address (used in case of Double buffer mode).

FCR [2]

stream x FIFO control register

Offset: 0x54, reset: 0x00000021, access: Unspecified

4/4 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
								FEIE rw		FS r			DMDIS rw	FTH rw

Toggle Fields

FTH

Bits 0-1: FIFO threshold selection.

Allowed values:
0: Quarter: 1/4 full FIFO
1: Half: 1/2 full FIFO
2: ThreeQuarters: 3/4 full FIFO
3: Full: Full FIFO

DMDIS

Bit 2: Direct mode disable.

Allowed values:
0: Enabled: Direct mode is enabled
1: Disabled: Direct mode is disabled

FS

Bits 3-5: FIFO status.

FEIE

Bit 7: FIFO error interrupt enable.

Allowed values:
0: Disabled: FE interrupt disabled
1: Enabled: FE interrupt enabled

CR [3]

stream x configuration register

Offset: 0x58, reset: 0x00000000, access: read-write

19/19 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
				CHSEL rw			MBURST rw		PBURST rw			CT rw	DBM rw	PL rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
PINCOS rw	MSIZE rw		PSIZE rw		MINC rw	PINC rw	CIRC rw	DIR rw		PFCTRL rw	TCIE rw	HTIE rw	TEIE rw	DMEIE rw	EN rw

Toggle Fields

EN

Bit 0: Stream enable / flag stream ready when read low.

Allowed values:
0: Disabled: Stream disabled
1: Enabled: Stream enabled

DMEIE

Bit 1: Direct mode error interrupt enable.

Allowed values:
0: Disabled: DME interrupt disabled
1: Enabled: DME interrupt enabled

TEIE

Bit 2: Transfer error interrupt enable.

Allowed values:
0: Disabled: TE interrupt disabled
1: Enabled: TE interrupt enabled

HTIE

Bit 3: Half transfer interrupt enable.

Allowed values:
0: Disabled: HT interrupt disabled
1: Enabled: HT interrupt enabled

TCIE

Bit 4: Transfer complete interrupt enable.

Allowed values:
0: Disabled: TC interrupt disabled
1: Enabled: TC interrupt enabled

PFCTRL

Bit 5: Peripheral flow controller.

Allowed values:
0: DMA: The DMA is the flow controller
1: Peripheral: The peripheral is the flow controller

DIR

Bits 6-7: Data transfer direction.

Allowed values:
0: PeripheralToMemory: Peripheral-to-memory
1: MemoryToPeripheral: Memory-to-peripheral
2: MemoryToMemory: Memory-to-memory

CIRC

Bit 8: Circular mode.

Allowed values:
0: Disabled: Circular mode disabled
1: Enabled: Circular mode enabled

PINC

Bit 9: Peripheral increment mode.

Allowed values:
0: Fixed: Address pointer is fixed
1: Incremented: Address pointer is incremented after each data transfer

MINC

Bit 10: Memory increment mode.

Allowed values:
0: Fixed: Address pointer is fixed
1: Incremented: Address pointer is incremented after each data transfer

PSIZE

Bits 11-12: Peripheral data size.

Allowed values:
0: Bits8: Byte (8-bit)
1: Bits16: Half-word (16-bit)
2: Bits32: Word (32-bit)

MSIZE

Bits 13-14: Memory data size.

Allowed values:
0: Bits8: Byte (8-bit)
1: Bits16: Half-word (16-bit)
2: Bits32: Word (32-bit)

PINCOS

Bit 15: Peripheral increment offset size.

PL

Bits 16-17: Priority level.

Allowed values:
0: Low: Low
1: Medium: Medium
2: High: High
3: VeryHigh: Very high

DBM

Bit 18: Double buffer mode.

Allowed values:
0: Disabled: No buffer switching at the end of transfer
1: Enabled: Memory target switched at the end of the DMA transfer

CT

Bit 19: Current target (only in double buffer mode).

Allowed values:
0: Memory0: The current target memory is Memory 0
1: Memory1: The current target memory is Memory 1

PBURST

Bits 21-22: Peripheral burst transfer configuration.

Allowed values:
0: Single: Single transfer
1: INCR4: Incremental burst of 4 beats
2: INCR8: Incremental burst of 8 beats
3: INCR16: Incremental burst of 16 beats

MBURST

Bits 23-24: Memory burst transfer configuration.

Allowed values:
0: Single: Single transfer
1: INCR4: Incremental burst of 4 beats
2: INCR8: Incremental burst of 8 beats
3: INCR16: Incremental burst of 16 beats

CHSEL

Bits 25-27: Channel selection.

Allowed values: 0x0-0x7

NDTR [3]

stream x number of data register

Offset: 0x5c, reset: 0x00000000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
NDT rw

Toggle Fields

NDT

Bits 0-15: Number of data items to transfer.

Allowed values: 0x0-0xffff

PAR [3]

stream x peripheral address register

Offset: 0x60, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
PA rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
PA rw

Toggle Fields

PA

Bits 0-31: Peripheral address.

M0AR [3]

stream x memory 0 address register

Offset: 0x64, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
M0A rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
M0A rw

Toggle Fields

M0A

Bits 0-31: Memory 0 address.

M1AR [3]

stream x memory 1 address register

Offset: 0x68, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
M1A rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
M1A rw

Toggle Fields

M1A

Bits 0-31: Memory 1 address (used in case of Double buffer mode).

FCR [3]

stream x FIFO control register

Offset: 0x6c, reset: 0x00000021, access: Unspecified

4/4 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
								FEIE rw		FS r			DMDIS rw	FTH rw

Toggle Fields

FTH

Bits 0-1: FIFO threshold selection.

Allowed values:
0: Quarter: 1/4 full FIFO
1: Half: 1/2 full FIFO
2: ThreeQuarters: 3/4 full FIFO
3: Full: Full FIFO

DMDIS

Bit 2: Direct mode disable.

Allowed values:
0: Enabled: Direct mode is enabled
1: Disabled: Direct mode is disabled

FS

Bits 3-5: FIFO status.

FEIE

Bit 7: FIFO error interrupt enable.

Allowed values:
0: Disabled: FE interrupt disabled
1: Enabled: FE interrupt enabled

CR [4]

stream x configuration register

Offset: 0x70, reset: 0x00000000, access: read-write

19/19 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
				CHSEL rw			MBURST rw		PBURST rw			CT rw	DBM rw	PL rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
PINCOS rw	MSIZE rw		PSIZE rw		MINC rw	PINC rw	CIRC rw	DIR rw		PFCTRL rw	TCIE rw	HTIE rw	TEIE rw	DMEIE rw	EN rw

Toggle Fields

EN

Bit 0: Stream enable / flag stream ready when read low.

Allowed values:
0: Disabled: Stream disabled
1: Enabled: Stream enabled

DMEIE

Bit 1: Direct mode error interrupt enable.

Allowed values:
0: Disabled: DME interrupt disabled
1: Enabled: DME interrupt enabled

TEIE

Bit 2: Transfer error interrupt enable.

Allowed values:
0: Disabled: TE interrupt disabled
1: Enabled: TE interrupt enabled

HTIE

Bit 3: Half transfer interrupt enable.

Allowed values:
0: Disabled: HT interrupt disabled
1: Enabled: HT interrupt enabled

TCIE

Bit 4: Transfer complete interrupt enable.

Allowed values:
0: Disabled: TC interrupt disabled
1: Enabled: TC interrupt enabled

PFCTRL

Bit 5: Peripheral flow controller.

Allowed values:
0: DMA: The DMA is the flow controller
1: Peripheral: The peripheral is the flow controller

DIR

Bits 6-7: Data transfer direction.

Allowed values:
0: PeripheralToMemory: Peripheral-to-memory
1: MemoryToPeripheral: Memory-to-peripheral
2: MemoryToMemory: Memory-to-memory

CIRC

Bit 8: Circular mode.

Allowed values:
0: Disabled: Circular mode disabled
1: Enabled: Circular mode enabled

PINC

Bit 9: Peripheral increment mode.

Allowed values:
0: Fixed: Address pointer is fixed
1: Incremented: Address pointer is incremented after each data transfer

MINC

Bit 10: Memory increment mode.

Allowed values:
0: Fixed: Address pointer is fixed
1: Incremented: Address pointer is incremented after each data transfer

PSIZE

Bits 11-12: Peripheral data size.

Allowed values:
0: Bits8: Byte (8-bit)
1: Bits16: Half-word (16-bit)
2: Bits32: Word (32-bit)

MSIZE

Bits 13-14: Memory data size.

Allowed values:
0: Bits8: Byte (8-bit)
1: Bits16: Half-word (16-bit)
2: Bits32: Word (32-bit)

PINCOS

Bit 15: Peripheral increment offset size.

PL

Bits 16-17: Priority level.

Allowed values:
0: Low: Low
1: Medium: Medium
2: High: High
3: VeryHigh: Very high

DBM

Bit 18: Double buffer mode.

Allowed values:
0: Disabled: No buffer switching at the end of transfer
1: Enabled: Memory target switched at the end of the DMA transfer

CT

Bit 19: Current target (only in double buffer mode).

Allowed values:
0: Memory0: The current target memory is Memory 0
1: Memory1: The current target memory is Memory 1

PBURST

Bits 21-22: Peripheral burst transfer configuration.

Allowed values:
0: Single: Single transfer
1: INCR4: Incremental burst of 4 beats
2: INCR8: Incremental burst of 8 beats
3: INCR16: Incremental burst of 16 beats

MBURST

Bits 23-24: Memory burst transfer configuration.

Allowed values:
0: Single: Single transfer
1: INCR4: Incremental burst of 4 beats
2: INCR8: Incremental burst of 8 beats
3: INCR16: Incremental burst of 16 beats

CHSEL

Bits 25-27: Channel selection.

Allowed values: 0x0-0x7

NDTR [4]

stream x number of data register

Offset: 0x74, reset: 0x00000000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
NDT rw

Toggle Fields

NDT

Bits 0-15: Number of data items to transfer.

Allowed values: 0x0-0xffff

PAR [4]

stream x peripheral address register

Offset: 0x78, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
PA rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
PA rw

Toggle Fields

PA

Bits 0-31: Peripheral address.

M0AR [4]

stream x memory 0 address register

Offset: 0x7c, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
M0A rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
M0A rw

Toggle Fields

M0A

Bits 0-31: Memory 0 address.

M1AR [4]

stream x memory 1 address register

Offset: 0x80, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
M1A rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
M1A rw

Toggle Fields

M1A

Bits 0-31: Memory 1 address (used in case of Double buffer mode).

FCR [4]

stream x FIFO control register

Offset: 0x84, reset: 0x00000021, access: Unspecified

4/4 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
								FEIE rw		FS r			DMDIS rw	FTH rw

Toggle Fields

FTH

Bits 0-1: FIFO threshold selection.

Allowed values:
0: Quarter: 1/4 full FIFO
1: Half: 1/2 full FIFO
2: ThreeQuarters: 3/4 full FIFO
3: Full: Full FIFO

DMDIS

Bit 2: Direct mode disable.

Allowed values:
0: Enabled: Direct mode is enabled
1: Disabled: Direct mode is disabled

FS

Bits 3-5: FIFO status.

FEIE

Bit 7: FIFO error interrupt enable.

Allowed values:
0: Disabled: FE interrupt disabled
1: Enabled: FE interrupt enabled

CR [5]

stream x configuration register

Offset: 0x88, reset: 0x00000000, access: read-write

19/19 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
				CHSEL rw			MBURST rw		PBURST rw			CT rw	DBM rw	PL rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
PINCOS rw	MSIZE rw		PSIZE rw		MINC rw	PINC rw	CIRC rw	DIR rw		PFCTRL rw	TCIE rw	HTIE rw	TEIE rw	DMEIE rw	EN rw

Toggle Fields

EN

Bit 0: Stream enable / flag stream ready when read low.

Allowed values:
0: Disabled: Stream disabled
1: Enabled: Stream enabled

DMEIE

Bit 1: Direct mode error interrupt enable.

Allowed values:
0: Disabled: DME interrupt disabled
1: Enabled: DME interrupt enabled

TEIE

Bit 2: Transfer error interrupt enable.

Allowed values:
0: Disabled: TE interrupt disabled
1: Enabled: TE interrupt enabled

HTIE

Bit 3: Half transfer interrupt enable.

Allowed values:
0: Disabled: HT interrupt disabled
1: Enabled: HT interrupt enabled

TCIE

Bit 4: Transfer complete interrupt enable.

Allowed values:
0: Disabled: TC interrupt disabled
1: Enabled: TC interrupt enabled

PFCTRL

Bit 5: Peripheral flow controller.

Allowed values:
0: DMA: The DMA is the flow controller
1: Peripheral: The peripheral is the flow controller

DIR

Bits 6-7: Data transfer direction.

Allowed values:
0: PeripheralToMemory: Peripheral-to-memory
1: MemoryToPeripheral: Memory-to-peripheral
2: MemoryToMemory: Memory-to-memory

CIRC

Bit 8: Circular mode.

Allowed values:
0: Disabled: Circular mode disabled
1: Enabled: Circular mode enabled

PINC

Bit 9: Peripheral increment mode.

Allowed values:
0: Fixed: Address pointer is fixed
1: Incremented: Address pointer is incremented after each data transfer

MINC

Bit 10: Memory increment mode.

Allowed values:
0: Fixed: Address pointer is fixed
1: Incremented: Address pointer is incremented after each data transfer

PSIZE

Bits 11-12: Peripheral data size.

Allowed values:
0: Bits8: Byte (8-bit)
1: Bits16: Half-word (16-bit)
2: Bits32: Word (32-bit)

MSIZE

Bits 13-14: Memory data size.

Allowed values:
0: Bits8: Byte (8-bit)
1: Bits16: Half-word (16-bit)
2: Bits32: Word (32-bit)

PINCOS

Bit 15: Peripheral increment offset size.

PL

Bits 16-17: Priority level.

Allowed values:
0: Low: Low
1: Medium: Medium
2: High: High
3: VeryHigh: Very high

DBM

Bit 18: Double buffer mode.

Allowed values:
0: Disabled: No buffer switching at the end of transfer
1: Enabled: Memory target switched at the end of the DMA transfer

CT

Bit 19: Current target (only in double buffer mode).

Allowed values:
0: Memory0: The current target memory is Memory 0
1: Memory1: The current target memory is Memory 1

PBURST

Bits 21-22: Peripheral burst transfer configuration.

Allowed values:
0: Single: Single transfer
1: INCR4: Incremental burst of 4 beats
2: INCR8: Incremental burst of 8 beats
3: INCR16: Incremental burst of 16 beats

MBURST

Bits 23-24: Memory burst transfer configuration.

Allowed values:
0: Single: Single transfer
1: INCR4: Incremental burst of 4 beats
2: INCR8: Incremental burst of 8 beats
3: INCR16: Incremental burst of 16 beats

CHSEL

Bits 25-27: Channel selection.

Allowed values: 0x0-0x7

NDTR [5]

stream x number of data register

Offset: 0x8c, reset: 0x00000000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
NDT rw

Toggle Fields

NDT

Bits 0-15: Number of data items to transfer.

Allowed values: 0x0-0xffff

PAR [5]

stream x peripheral address register

Offset: 0x90, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
PA rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
PA rw

Toggle Fields

PA

Bits 0-31: Peripheral address.

M0AR [5]

stream x memory 0 address register

Offset: 0x94, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
M0A rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
M0A rw

Toggle Fields

M0A

Bits 0-31: Memory 0 address.

M1AR [5]

stream x memory 1 address register

Offset: 0x98, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
M1A rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
M1A rw

Toggle Fields

M1A

Bits 0-31: Memory 1 address (used in case of Double buffer mode).

FCR [5]

stream x FIFO control register

Offset: 0x9c, reset: 0x00000021, access: Unspecified

4/4 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
								FEIE rw		FS r			DMDIS rw	FTH rw

Toggle Fields

FTH

Bits 0-1: FIFO threshold selection.

Allowed values:
0: Quarter: 1/4 full FIFO
1: Half: 1/2 full FIFO
2: ThreeQuarters: 3/4 full FIFO
3: Full: Full FIFO

DMDIS

Bit 2: Direct mode disable.

Allowed values:
0: Enabled: Direct mode is enabled
1: Disabled: Direct mode is disabled

FS

Bits 3-5: FIFO status.

FEIE

Bit 7: FIFO error interrupt enable.

Allowed values:
0: Disabled: FE interrupt disabled
1: Enabled: FE interrupt enabled

CR [6]

stream x configuration register

Offset: 0xa0, reset: 0x00000000, access: read-write

19/19 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
				CHSEL rw			MBURST rw		PBURST rw			CT rw	DBM rw	PL rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
PINCOS rw	MSIZE rw		PSIZE rw		MINC rw	PINC rw	CIRC rw	DIR rw		PFCTRL rw	TCIE rw	HTIE rw	TEIE rw	DMEIE rw	EN rw

Toggle Fields

EN

Bit 0: Stream enable / flag stream ready when read low.

Allowed values:
0: Disabled: Stream disabled
1: Enabled: Stream enabled

DMEIE

Bit 1: Direct mode error interrupt enable.

Allowed values:
0: Disabled: DME interrupt disabled
1: Enabled: DME interrupt enabled

TEIE

Bit 2: Transfer error interrupt enable.

Allowed values:
0: Disabled: TE interrupt disabled
1: Enabled: TE interrupt enabled

HTIE

Bit 3: Half transfer interrupt enable.

Allowed values:
0: Disabled: HT interrupt disabled
1: Enabled: HT interrupt enabled

TCIE

Bit 4: Transfer complete interrupt enable.

Allowed values:
0: Disabled: TC interrupt disabled
1: Enabled: TC interrupt enabled

PFCTRL

Bit 5: Peripheral flow controller.

Allowed values:
0: DMA: The DMA is the flow controller
1: Peripheral: The peripheral is the flow controller

DIR

Bits 6-7: Data transfer direction.

Allowed values:
0: PeripheralToMemory: Peripheral-to-memory
1: MemoryToPeripheral: Memory-to-peripheral
2: MemoryToMemory: Memory-to-memory

CIRC

Bit 8: Circular mode.

Allowed values:
0: Disabled: Circular mode disabled
1: Enabled: Circular mode enabled

PINC

Bit 9: Peripheral increment mode.

Allowed values:
0: Fixed: Address pointer is fixed
1: Incremented: Address pointer is incremented after each data transfer

MINC

Bit 10: Memory increment mode.

Allowed values:
0: Fixed: Address pointer is fixed
1: Incremented: Address pointer is incremented after each data transfer

PSIZE

Bits 11-12: Peripheral data size.

Allowed values:
0: Bits8: Byte (8-bit)
1: Bits16: Half-word (16-bit)
2: Bits32: Word (32-bit)

MSIZE

Bits 13-14: Memory data size.

Allowed values:
0: Bits8: Byte (8-bit)
1: Bits16: Half-word (16-bit)
2: Bits32: Word (32-bit)

PINCOS

Bit 15: Peripheral increment offset size.

PL

Bits 16-17: Priority level.

Allowed values:
0: Low: Low
1: Medium: Medium
2: High: High
3: VeryHigh: Very high

DBM

Bit 18: Double buffer mode.

Allowed values:
0: Disabled: No buffer switching at the end of transfer
1: Enabled: Memory target switched at the end of the DMA transfer

CT

Bit 19: Current target (only in double buffer mode).

Allowed values:
0: Memory0: The current target memory is Memory 0
1: Memory1: The current target memory is Memory 1

PBURST

Bits 21-22: Peripheral burst transfer configuration.

Allowed values:
0: Single: Single transfer
1: INCR4: Incremental burst of 4 beats
2: INCR8: Incremental burst of 8 beats
3: INCR16: Incremental burst of 16 beats

MBURST

Bits 23-24: Memory burst transfer configuration.

Allowed values:
0: Single: Single transfer
1: INCR4: Incremental burst of 4 beats
2: INCR8: Incremental burst of 8 beats
3: INCR16: Incremental burst of 16 beats

CHSEL

Bits 25-27: Channel selection.

Allowed values: 0x0-0x7

NDTR [6]

stream x number of data register

Offset: 0xa4, reset: 0x00000000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
NDT rw

Toggle Fields

NDT

Bits 0-15: Number of data items to transfer.

Allowed values: 0x0-0xffff

PAR [6]

stream x peripheral address register

Offset: 0xa8, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
PA rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
PA rw

Toggle Fields

PA

Bits 0-31: Peripheral address.

M0AR [6]

stream x memory 0 address register

Offset: 0xac, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
M0A rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
M0A rw

Toggle Fields

M0A

Bits 0-31: Memory 0 address.

M1AR [6]

stream x memory 1 address register

Offset: 0xb0, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
M1A rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
M1A rw

Toggle Fields

M1A

Bits 0-31: Memory 1 address (used in case of Double buffer mode).

FCR [6]

stream x FIFO control register

Offset: 0xb4, reset: 0x00000021, access: Unspecified

4/4 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
								FEIE rw		FS r			DMDIS rw	FTH rw

Toggle Fields

FTH

Bits 0-1: FIFO threshold selection.

Allowed values:
0: Quarter: 1/4 full FIFO
1: Half: 1/2 full FIFO
2: ThreeQuarters: 3/4 full FIFO
3: Full: Full FIFO

DMDIS

Bit 2: Direct mode disable.

Allowed values:
0: Enabled: Direct mode is enabled
1: Disabled: Direct mode is disabled

FS

Bits 3-5: FIFO status.

FEIE

Bit 7: FIFO error interrupt enable.

Allowed values:
0: Disabled: FE interrupt disabled
1: Enabled: FE interrupt enabled

CR [7]

stream x configuration register

Offset: 0xb8, reset: 0x00000000, access: read-write

19/19 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
				CHSEL rw			MBURST rw		PBURST rw			CT rw	DBM rw	PL rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
PINCOS rw	MSIZE rw		PSIZE rw		MINC rw	PINC rw	CIRC rw	DIR rw		PFCTRL rw	TCIE rw	HTIE rw	TEIE rw	DMEIE rw	EN rw

Toggle Fields

EN

Bit 0: Stream enable / flag stream ready when read low.

Allowed values:
0: Disabled: Stream disabled
1: Enabled: Stream enabled

DMEIE

Bit 1: Direct mode error interrupt enable.

Allowed values:
0: Disabled: DME interrupt disabled
1: Enabled: DME interrupt enabled

TEIE

Bit 2: Transfer error interrupt enable.

Allowed values:
0: Disabled: TE interrupt disabled
1: Enabled: TE interrupt enabled

HTIE

Bit 3: Half transfer interrupt enable.

Allowed values:
0: Disabled: HT interrupt disabled
1: Enabled: HT interrupt enabled

TCIE

Bit 4: Transfer complete interrupt enable.

Allowed values:
0: Disabled: TC interrupt disabled
1: Enabled: TC interrupt enabled

PFCTRL

Bit 5: Peripheral flow controller.

Allowed values:
0: DMA: The DMA is the flow controller
1: Peripheral: The peripheral is the flow controller

DIR

Bits 6-7: Data transfer direction.

Allowed values:
0: PeripheralToMemory: Peripheral-to-memory
1: MemoryToPeripheral: Memory-to-peripheral
2: MemoryToMemory: Memory-to-memory

CIRC

Bit 8: Circular mode.

Allowed values:
0: Disabled: Circular mode disabled
1: Enabled: Circular mode enabled

PINC

Bit 9: Peripheral increment mode.

Allowed values:
0: Fixed: Address pointer is fixed
1: Incremented: Address pointer is incremented after each data transfer

MINC

Bit 10: Memory increment mode.

Allowed values:
0: Fixed: Address pointer is fixed
1: Incremented: Address pointer is incremented after each data transfer

PSIZE

Bits 11-12: Peripheral data size.

Allowed values:
0: Bits8: Byte (8-bit)
1: Bits16: Half-word (16-bit)
2: Bits32: Word (32-bit)

MSIZE

Bits 13-14: Memory data size.

Allowed values:
0: Bits8: Byte (8-bit)
1: Bits16: Half-word (16-bit)
2: Bits32: Word (32-bit)

PINCOS

Bit 15: Peripheral increment offset size.

PL

Bits 16-17: Priority level.

Allowed values:
0: Low: Low
1: Medium: Medium
2: High: High
3: VeryHigh: Very high

DBM

Bit 18: Double buffer mode.

Allowed values:
0: Disabled: No buffer switching at the end of transfer
1: Enabled: Memory target switched at the end of the DMA transfer

CT

Bit 19: Current target (only in double buffer mode).

Allowed values:
0: Memory0: The current target memory is Memory 0
1: Memory1: The current target memory is Memory 1

PBURST

Bits 21-22: Peripheral burst transfer configuration.

Allowed values:
0: Single: Single transfer
1: INCR4: Incremental burst of 4 beats
2: INCR8: Incremental burst of 8 beats
3: INCR16: Incremental burst of 16 beats

MBURST

Bits 23-24: Memory burst transfer configuration.

Allowed values:
0: Single: Single transfer
1: INCR4: Incremental burst of 4 beats
2: INCR8: Incremental burst of 8 beats
3: INCR16: Incremental burst of 16 beats

CHSEL

Bits 25-27: Channel selection.

Allowed values: 0x0-0x7

NDTR [7]

stream x number of data register

Offset: 0xbc, reset: 0x00000000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
NDT rw

Toggle Fields

NDT

Bits 0-15: Number of data items to transfer.

Allowed values: 0x0-0xffff

PAR [7]

stream x peripheral address register

Offset: 0xc0, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
PA rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
PA rw

Toggle Fields

PA

Bits 0-31: Peripheral address.

M0AR [7]

stream x memory 0 address register

Offset: 0xc4, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
M0A rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
M0A rw

Toggle Fields

M0A

Bits 0-31: Memory 0 address.

M1AR [7]

stream x memory 1 address register

Offset: 0xc8, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
M1A rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
M1A rw

Toggle Fields

M1A

Bits 0-31: Memory 1 address (used in case of Double buffer mode).

FCR [7]

stream x FIFO control register

Offset: 0xcc, reset: 0x00000021, access: Unspecified

4/4 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
								FEIE rw		FS r			DMDIS rw	FTH rw

Toggle Fields

FTH

Bits 0-1: FIFO threshold selection.

Allowed values:
0: Quarter: 1/4 full FIFO
1: Half: 1/2 full FIFO
2: ThreeQuarters: 3/4 full FIFO
3: Full: Full FIFO

DMDIS

Bit 2: Direct mode disable.

Allowed values:
0: Enabled: Direct mode is enabled
1: Disabled: Direct mode is disabled

FS

Bits 3-5: FIFO status.

FEIE

Bit 7: FIFO error interrupt enable.

Allowed values:
0: Disabled: FE interrupt disabled
1: Enabled: FE interrupt enabled

EXTI

0x40013c00: External interrupt/event controller

138/138 fields covered. Toggle Registers

Show register map

Offset	Name	22	21	20	19	18	17	16	15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
0x0	IMR	MR22	MR21	MR20	MR19	MR18	MR17	MR16	MR15	MR14	MR13	MR12	MR11	MR10	MR9	MR8	MR7	MR6	MR5	MR4	MR3	MR2	MR1	MR0
0x4	EMR	MR22	MR21	MR20	MR19	MR18	MR17	MR16	MR15	MR14	MR13	MR12	MR11	MR10	MR9	MR8	MR7	MR6	MR5	MR4	MR3	MR2	MR1	MR0
0x8	RTSR	TR22	TR21	TR20	TR19	TR18	TR17	TR16	TR15	TR14	TR13	TR12	TR11	TR10	TR9	TR8	TR7	TR6	TR5	TR4	TR3	TR2	TR1	TR0
0xc	FTSR	TR22	TR21	TR20	TR19	TR18	TR17	TR16	TR15	TR14	TR13	TR12	TR11	TR10	TR9	TR8	TR7	TR6	TR5	TR4	TR3	TR2	TR1	TR0
0x10	SWIER	SWIER22	SWIER21	SWIER20	SWIER19	SWIER18	SWIER17	SWIER16	SWIER15	SWIER14	SWIER13	SWIER12	SWIER11	SWIER10	SWIER9	SWIER8	SWIER7	SWIER6	SWIER5	SWIER4	SWIER3	SWIER2	SWIER1	SWIER0
0x14	PR	PR22	PR21	PR20	PR19	PR18	PR17	PR16	PR15	PR14	PR13	PR12	PR11	PR10	PR9	PR8	PR7	PR6	PR5	PR4	PR3	PR2	PR1	PR0

IMR

Interrupt mask register (EXTI_IMR)

Offset: 0x0, reset: 0x00000000, access: read-write

23/23 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
									MR22 rw	MR21 rw	MR20 rw	MR19 rw	MR18 rw	MR17 rw	MR16 rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
MR15 rw	MR14 rw	MR13 rw	MR12 rw	MR11 rw	MR10 rw	MR9 rw	MR8 rw	MR7 rw	MR6 rw	MR5 rw	MR4 rw	MR3 rw	MR2 rw	MR1 rw	MR0 rw

Toggle Fields

MR0

Bit 0: Interrupt Mask on line 0.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR1

Bit 1: Interrupt Mask on line 1.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR2

Bit 2: Interrupt Mask on line 2.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR3

Bit 3: Interrupt Mask on line 3.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR4

Bit 4: Interrupt Mask on line 4.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR5

Bit 5: Interrupt Mask on line 5.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR6

Bit 6: Interrupt Mask on line 6.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR7

Bit 7: Interrupt Mask on line 7.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR8

Bit 8: Interrupt Mask on line 8.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR9

Bit 9: Interrupt Mask on line 9.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR10

Bit 10: Interrupt Mask on line 10.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR11

Bit 11: Interrupt Mask on line 11.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR12

Bit 12: Interrupt Mask on line 12.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR13

Bit 13: Interrupt Mask on line 13.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR14

Bit 14: Interrupt Mask on line 14.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR15

Bit 15: Interrupt Mask on line 15.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR16

Bit 16: Interrupt Mask on line 16.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR17

Bit 17: Interrupt Mask on line 17.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR18

Bit 18: Interrupt Mask on line 18.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR19

Bit 19: Interrupt Mask on line 19.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR20

Bit 20: Interrupt Mask on line 20.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR21

Bit 21: Interrupt Mask on line 21.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR22

Bit 22: Interrupt Mask on line 22.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

EMR

Event mask register (EXTI_EMR)

Offset: 0x4, reset: 0x00000000, access: read-write

23/23 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
									MR22 rw	MR21 rw	MR20 rw	MR19 rw	MR18 rw	MR17 rw	MR16 rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
MR15 rw	MR14 rw	MR13 rw	MR12 rw	MR11 rw	MR10 rw	MR9 rw	MR8 rw	MR7 rw	MR6 rw	MR5 rw	MR4 rw	MR3 rw	MR2 rw	MR1 rw	MR0 rw

Toggle Fields

MR0

Bit 0: Event Mask on line 0.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR1

Bit 1: Event Mask on line 1.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR2

Bit 2: Event Mask on line 2.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR3

Bit 3: Event Mask on line 3.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR4

Bit 4: Event Mask on line 4.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR5

Bit 5: Event Mask on line 5.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR6

Bit 6: Event Mask on line 6.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR7

Bit 7: Event Mask on line 7.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR8

Bit 8: Event Mask on line 8.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR9

Bit 9: Event Mask on line 9.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR10

Bit 10: Event Mask on line 10.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR11

Bit 11: Event Mask on line 11.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR12

Bit 12: Event Mask on line 12.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR13

Bit 13: Event Mask on line 13.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR14

Bit 14: Event Mask on line 14.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR15

Bit 15: Event Mask on line 15.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR16

Bit 16: Event Mask on line 16.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR17

Bit 17: Event Mask on line 17.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR18

Bit 18: Event Mask on line 18.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR19

Bit 19: Event Mask on line 19.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR20

Bit 20: Event Mask on line 20.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR21

Bit 21: Event Mask on line 21.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR22

Bit 22: Event Mask on line 22.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

RTSR

Rising Trigger selection register (EXTI_RTSR)

Offset: 0x8, reset: 0x00000000, access: read-write

23/23 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
									TR22 rw	TR21 rw	TR20 rw	TR19 rw	TR18 rw	TR17 rw	TR16 rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
TR15 rw	TR14 rw	TR13 rw	TR12 rw	TR11 rw	TR10 rw	TR9 rw	TR8 rw	TR7 rw	TR6 rw	TR5 rw	TR4 rw	TR3 rw	TR2 rw	TR1 rw	TR0 rw

Toggle Fields

TR0

Bit 0: Rising trigger event configuration of line 0.

Allowed values:
0: Disabled: Rising edge trigger is disabled
1: Enabled: Rising edge trigger is enabled

TR1

Bit 1: Rising trigger event configuration of line 1.

Allowed values:
0: Disabled: Rising edge trigger is disabled
1: Enabled: Rising edge trigger is enabled

TR2

Bit 2: Rising trigger event configuration of line 2.

Allowed values:
0: Disabled: Rising edge trigger is disabled
1: Enabled: Rising edge trigger is enabled

TR3

Bit 3: Rising trigger event configuration of line 3.

Allowed values:
0: Disabled: Rising edge trigger is disabled
1: Enabled: Rising edge trigger is enabled

TR4

Bit 4: Rising trigger event configuration of line 4.

Allowed values:
0: Disabled: Rising edge trigger is disabled
1: Enabled: Rising edge trigger is enabled

TR5

Bit 5: Rising trigger event configuration of line 5.

Allowed values:
0: Disabled: Rising edge trigger is disabled
1: Enabled: Rising edge trigger is enabled

TR6

Bit 6: Rising trigger event configuration of line 6.

Allowed values:
0: Disabled: Rising edge trigger is disabled
1: Enabled: Rising edge trigger is enabled

TR7

Bit 7: Rising trigger event configuration of line 7.

Allowed values:
0: Disabled: Rising edge trigger is disabled
1: Enabled: Rising edge trigger is enabled

TR8

Bit 8: Rising trigger event configuration of line 8.

Allowed values:
0: Disabled: Rising edge trigger is disabled
1: Enabled: Rising edge trigger is enabled

TR9

Bit 9: Rising trigger event configuration of line 9.

Allowed values:
0: Disabled: Rising edge trigger is disabled
1: Enabled: Rising edge trigger is enabled

TR10

Bit 10: Rising trigger event configuration of line 10.

Allowed values:
0: Disabled: Rising edge trigger is disabled
1: Enabled: Rising edge trigger is enabled

TR11

Bit 11: Rising trigger event configuration of line 11.

Allowed values:
0: Disabled: Rising edge trigger is disabled
1: Enabled: Rising edge trigger is enabled

TR12

Bit 12: Rising trigger event configuration of line 12.

Allowed values:
0: Disabled: Rising edge trigger is disabled
1: Enabled: Rising edge trigger is enabled

TR13

Bit 13: Rising trigger event configuration of line 13.

Allowed values:
0: Disabled: Rising edge trigger is disabled
1: Enabled: Rising edge trigger is enabled

TR14

Bit 14: Rising trigger event configuration of line 14.

Allowed values:
0: Disabled: Rising edge trigger is disabled
1: Enabled: Rising edge trigger is enabled

TR15

Bit 15: Rising trigger event configuration of line 15.

Allowed values:
0: Disabled: Rising edge trigger is disabled
1: Enabled: Rising edge trigger is enabled

TR16

Bit 16: Rising trigger event configuration of line 16.

Allowed values:
0: Disabled: Rising edge trigger is disabled
1: Enabled: Rising edge trigger is enabled

TR17

Bit 17: Rising trigger event configuration of line 17.

Allowed values:
0: Disabled: Rising edge trigger is disabled
1: Enabled: Rising edge trigger is enabled

TR18

Bit 18: Rising trigger event configuration of line 18.

Allowed values:
0: Disabled: Rising edge trigger is disabled
1: Enabled: Rising edge trigger is enabled

TR19

Bit 19: Rising trigger event configuration of line 19.

Allowed values:
0: Disabled: Rising edge trigger is disabled
1: Enabled: Rising edge trigger is enabled

TR20

Bit 20: Rising trigger event configuration of line 20.

Allowed values:
0: Disabled: Rising edge trigger is disabled
1: Enabled: Rising edge trigger is enabled

TR21

Bit 21: Rising trigger event configuration of line 21.

Allowed values:
0: Disabled: Rising edge trigger is disabled
1: Enabled: Rising edge trigger is enabled

TR22

Bit 22: Rising trigger event configuration of line 22.

Allowed values:
0: Disabled: Rising edge trigger is disabled
1: Enabled: Rising edge trigger is enabled

FTSR

Falling Trigger selection register (EXTI_FTSR)

Offset: 0xc, reset: 0x00000000, access: read-write

23/23 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
									TR22 rw	TR21 rw	TR20 rw	TR19 rw	TR18 rw	TR17 rw	TR16 rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
TR15 rw	TR14 rw	TR13 rw	TR12 rw	TR11 rw	TR10 rw	TR9 rw	TR8 rw	TR7 rw	TR6 rw	TR5 rw	TR4 rw	TR3 rw	TR2 rw	TR1 rw	TR0 rw

Toggle Fields

TR0

Bit 0: Falling trigger event configuration of line 0.

Allowed values:
0: Disabled: Falling edge trigger is disabled
1: Enabled: Falling edge trigger is enabled

TR1

Bit 1: Falling trigger event configuration of line 1.

Allowed values:
0: Disabled: Falling edge trigger is disabled
1: Enabled: Falling edge trigger is enabled

TR2

Bit 2: Falling trigger event configuration of line 2.

Allowed values:
0: Disabled: Falling edge trigger is disabled
1: Enabled: Falling edge trigger is enabled

TR3

Bit 3: Falling trigger event configuration of line 3.

Allowed values:
0: Disabled: Falling edge trigger is disabled
1: Enabled: Falling edge trigger is enabled

TR4

Bit 4: Falling trigger event configuration of line 4.

Allowed values:
0: Disabled: Falling edge trigger is disabled
1: Enabled: Falling edge trigger is enabled

TR5

Bit 5: Falling trigger event configuration of line 5.

Allowed values:
0: Disabled: Falling edge trigger is disabled
1: Enabled: Falling edge trigger is enabled

TR6

Bit 6: Falling trigger event configuration of line 6.

Allowed values:
0: Disabled: Falling edge trigger is disabled
1: Enabled: Falling edge trigger is enabled

TR7

Bit 7: Falling trigger event configuration of line 7.

Allowed values:
0: Disabled: Falling edge trigger is disabled
1: Enabled: Falling edge trigger is enabled

TR8

Bit 8: Falling trigger event configuration of line 8.

Allowed values:
0: Disabled: Falling edge trigger is disabled
1: Enabled: Falling edge trigger is enabled

TR9

Bit 9: Falling trigger event configuration of line 9.

Allowed values:
0: Disabled: Falling edge trigger is disabled
1: Enabled: Falling edge trigger is enabled

TR10

Bit 10: Falling trigger event configuration of line 10.

Allowed values:
0: Disabled: Falling edge trigger is disabled
1: Enabled: Falling edge trigger is enabled

TR11

Bit 11: Falling trigger event configuration of line 11.

Allowed values:
0: Disabled: Falling edge trigger is disabled
1: Enabled: Falling edge trigger is enabled

TR12

Bit 12: Falling trigger event configuration of line 12.

Allowed values:
0: Disabled: Falling edge trigger is disabled
1: Enabled: Falling edge trigger is enabled

TR13

Bit 13: Falling trigger event configuration of line 13.

Allowed values:
0: Disabled: Falling edge trigger is disabled
1: Enabled: Falling edge trigger is enabled

TR14

Bit 14: Falling trigger event configuration of line 14.

Allowed values:
0: Disabled: Falling edge trigger is disabled
1: Enabled: Falling edge trigger is enabled

TR15

Bit 15: Falling trigger event configuration of line 15.

Allowed values:
0: Disabled: Falling edge trigger is disabled
1: Enabled: Falling edge trigger is enabled

TR16

Bit 16: Falling trigger event configuration of line 16.

Allowed values:
0: Disabled: Falling edge trigger is disabled
1: Enabled: Falling edge trigger is enabled

TR17

Bit 17: Falling trigger event configuration of line 17.

Allowed values:
0: Disabled: Falling edge trigger is disabled
1: Enabled: Falling edge trigger is enabled

TR18

Bit 18: Falling trigger event configuration of line 18.

Allowed values:
0: Disabled: Falling edge trigger is disabled
1: Enabled: Falling edge trigger is enabled

TR19

Bit 19: Falling trigger event configuration of line 19.

Allowed values:
0: Disabled: Falling edge trigger is disabled
1: Enabled: Falling edge trigger is enabled

TR20

Bit 20: Falling trigger event configuration of line 20.

Allowed values:
0: Disabled: Falling edge trigger is disabled
1: Enabled: Falling edge trigger is enabled

TR21

Bit 21: Falling trigger event configuration of line 21.

Allowed values:
0: Disabled: Falling edge trigger is disabled
1: Enabled: Falling edge trigger is enabled

TR22

Bit 22: Falling trigger event configuration of line 22.

Allowed values:
0: Disabled: Falling edge trigger is disabled
1: Enabled: Falling edge trigger is enabled

SWIER

Software interrupt event register (EXTI_SWIER)

Offset: 0x10, reset: 0x00000000, access: read-write

23/23 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
									SWIER22 rw	SWIER21 rw	SWIER20 rw	SWIER19 rw	SWIER18 rw	SWIER17 rw	SWIER16 rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
SWIER15 rw	SWIER14 rw	SWIER13 rw	SWIER12 rw	SWIER11 rw	SWIER10 rw	SWIER9 rw	SWIER8 rw	SWIER7 rw	SWIER6 rw	SWIER5 rw	SWIER4 rw	SWIER3 rw	SWIER2 rw	SWIER1 rw	SWIER0 rw

Toggle Fields

SWIER0

Bit 0: Software Interrupt on line 0.

Allowed values:
1: Pend: Generates an interrupt request

SWIER1

Bit 1: Software Interrupt on line 1.

Allowed values:
1: Pend: Generates an interrupt request

SWIER2

Bit 2: Software Interrupt on line 2.

Allowed values:
1: Pend: Generates an interrupt request

SWIER3

Bit 3: Software Interrupt on line 3.

Allowed values:
1: Pend: Generates an interrupt request

SWIER4

Bit 4: Software Interrupt on line 4.

Allowed values:
1: Pend: Generates an interrupt request

SWIER5

Bit 5: Software Interrupt on line 5.

Allowed values:
1: Pend: Generates an interrupt request

SWIER6

Bit 6: Software Interrupt on line 6.

Allowed values:
1: Pend: Generates an interrupt request

SWIER7

Bit 7: Software Interrupt on line 7.

Allowed values:
1: Pend: Generates an interrupt request

SWIER8

Bit 8: Software Interrupt on line 8.

Allowed values:
1: Pend: Generates an interrupt request

SWIER9

Bit 9: Software Interrupt on line 9.

Allowed values:
1: Pend: Generates an interrupt request

SWIER10

Bit 10: Software Interrupt on line 10.

Allowed values:
1: Pend: Generates an interrupt request

SWIER11

Bit 11: Software Interrupt on line 11.

Allowed values:
1: Pend: Generates an interrupt request

SWIER12

Bit 12: Software Interrupt on line 12.

Allowed values:
1: Pend: Generates an interrupt request

SWIER13

Bit 13: Software Interrupt on line 13.

Allowed values:
1: Pend: Generates an interrupt request

SWIER14

Bit 14: Software Interrupt on line 14.

Allowed values:
1: Pend: Generates an interrupt request

SWIER15

Bit 15: Software Interrupt on line 15.

Allowed values:
1: Pend: Generates an interrupt request

SWIER16

Bit 16: Software Interrupt on line 16.

Allowed values:
1: Pend: Generates an interrupt request

SWIER17

Bit 17: Software Interrupt on line 17.

Allowed values:
1: Pend: Generates an interrupt request

SWIER18

Bit 18: Software Interrupt on line 18.

Allowed values:
1: Pend: Generates an interrupt request

SWIER19

Bit 19: Software Interrupt on line 19.

Allowed values:
1: Pend: Generates an interrupt request

SWIER20

Bit 20: Software Interrupt on line 20.

Allowed values:
1: Pend: Generates an interrupt request

SWIER21

Bit 21: Software Interrupt on line 21.

Allowed values:
1: Pend: Generates an interrupt request

SWIER22

Bit 22: Software Interrupt on line 22.

Allowed values:
1: Pend: Generates an interrupt request

PR

Pending register (EXTI_PR)

Offset: 0x14, reset: 0x00000000, access: read-write

23/23 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
									PR22 rw	PR21 rw	PR20 rw	PR19 rw	PR18 rw	PR17 rw	PR16 rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
PR15 rw	PR14 rw	PR13 rw	PR12 rw	PR11 rw	PR10 rw	PR9 rw	PR8 rw	PR7 rw	PR6 rw	PR5 rw	PR4 rw	PR3 rw	PR2 rw	PR1 rw	PR0 rw

Toggle Fields

PR0

Bit 0: Pending bit 0.

Allowed values:
0: NotPending: No trigger request occurred
1: Pending: Selected trigger request occurred

PR1

Bit 1: Pending bit 1.

Allowed values:
0: NotPending: No trigger request occurred
1: Pending: Selected trigger request occurred

PR2

Bit 2: Pending bit 2.

Allowed values:
0: NotPending: No trigger request occurred
1: Pending: Selected trigger request occurred

PR3

Bit 3: Pending bit 3.

Allowed values:
0: NotPending: No trigger request occurred
1: Pending: Selected trigger request occurred

PR4

Bit 4: Pending bit 4.

Allowed values:
0: NotPending: No trigger request occurred
1: Pending: Selected trigger request occurred

PR5

Bit 5: Pending bit 5.

Allowed values:
0: NotPending: No trigger request occurred
1: Pending: Selected trigger request occurred

PR6

Bit 6: Pending bit 6.

Allowed values:
0: NotPending: No trigger request occurred
1: Pending: Selected trigger request occurred

PR7

Bit 7: Pending bit 7.

Allowed values:
0: NotPending: No trigger request occurred
1: Pending: Selected trigger request occurred

PR8

Bit 8: Pending bit 8.

Allowed values:
0: NotPending: No trigger request occurred
1: Pending: Selected trigger request occurred

PR9

Bit 9: Pending bit 9.

Allowed values:
0: NotPending: No trigger request occurred
1: Pending: Selected trigger request occurred

PR10

Bit 10: Pending bit 10.

Allowed values:
0: NotPending: No trigger request occurred
1: Pending: Selected trigger request occurred

PR11

Bit 11: Pending bit 11.

Allowed values:
0: NotPending: No trigger request occurred
1: Pending: Selected trigger request occurred

PR12

Bit 12: Pending bit 12.

Allowed values:
0: NotPending: No trigger request occurred
1: Pending: Selected trigger request occurred

PR13

Bit 13: Pending bit 13.

Allowed values:
0: NotPending: No trigger request occurred
1: Pending: Selected trigger request occurred

PR14

Bit 14: Pending bit 14.

Allowed values:
0: NotPending: No trigger request occurred
1: Pending: Selected trigger request occurred

PR15

Bit 15: Pending bit 15.

Allowed values:
0: NotPending: No trigger request occurred
1: Pending: Selected trigger request occurred

PR16

Bit 16: Pending bit 16.

Allowed values:
0: NotPending: No trigger request occurred
1: Pending: Selected trigger request occurred

PR17

Bit 17: Pending bit 17.

Allowed values:
0: NotPending: No trigger request occurred
1: Pending: Selected trigger request occurred

PR18

Bit 18: Pending bit 18.

Allowed values:
0: NotPending: No trigger request occurred
1: Pending: Selected trigger request occurred

PR19

Bit 19: Pending bit 19.

Allowed values:
0: NotPending: No trigger request occurred
1: Pending: Selected trigger request occurred

PR20

Bit 20: Pending bit 20.

Allowed values:
0: NotPending: No trigger request occurred
1: Pending: Selected trigger request occurred

PR21

Bit 21: Pending bit 21.

Allowed values:
0: NotPending: No trigger request occurred
1: Pending: Selected trigger request occurred

PR22

Bit 22: Pending bit 22.

Allowed values:
0: NotPending: No trigger request occurred
1: Pending: Selected trigger request occurred

FLASH

0x40023c00: FLASH

18/33 fields covered. Toggle Registers

Show register map

Offset	Name	31	25	24	20	16	15	12	11	10	9	8	7	6	5	4	3	2	1	0
0x0	ACR							DCRST	ICRST	DCEN	ICEN	PRFTEN					LATENCY
0x4	KEYR	KEY					KEY
0x8	OPTKEYR	OPTKEY					OPTKEY
0xc	SR					BSY							PGSERR	PGPERR	PGAERR	WRPERR			OPERR	EOP
0x10	CR	LOCK	ERRIE	EOPIE		STRT					PSIZE			SNB				MER	SER	PG
0x14	OPTCR	SPRMOD			nWRP		RDP						nRST_STDBY	nRST_STOP	WDG_SW		BOR_LEV		OPTSTRT	OPTLOCK

ACR

Flash access control register

Offset: 0x0, reset: 0x00000000, access: Unspecified

6/6 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
			DCRST rw	ICRST w	DCEN rw	ICEN rw	PRFTEN rw					LATENCY rw

Toggle Fields

LATENCY

Bits 0-3: Latency.

Allowed values:
0: WS0: 0 wait states
1: WS1: 1 wait states
2: WS2: 2 wait states
3: WS3: 3 wait states
4: WS4: 4 wait states
5: WS5: 5 wait states
6: WS6: 6 wait states
7: WS7: 7 wait states
8: WS8: 8 wait states
9: WS9: 9 wait states
10: WS10: 10 wait states
11: WS11: 11 wait states
12: WS12: 12 wait states
13: WS13: 13 wait states
14: WS14: 14 wait states
15: WS15: 15 wait states

PRFTEN

Bit 8: Prefetch enable.

Allowed values:
0: Disabled: Prefetch is disabled
1: Enabled: Prefetch is enabled

ICEN

Bit 9: Instruction cache enable.

Allowed values:
0: Disabled: Instruction cache is disabled
1: Enabled: Instruction cache is enabled

DCEN

Bit 10: Data cache enable.

Allowed values:
0: Disabled: Data cache is disabled
1: Enabled: Data cache is enabled

ICRST

Bit 11: Instruction cache reset.

Allowed values:
0: NotReset: Instruction cache is not reset
1: Reset: Instruction cache is reset

DCRST

Bit 12: Data cache reset.

Allowed values:
0: NotReset: Data cache is not reset
1: Reset: Data cache is reset

KEYR

Flash key register

Offset: 0x4, reset: 0x00000000, access: write-only

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
KEY w
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
KEY w

Toggle Fields

KEY

Bits 0-31: FPEC key.

Allowed values: 0x0-0xffffffff

OPTKEYR

Flash option key register

Offset: 0x8, reset: 0x00000000, access: write-only

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
OPTKEY w
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
OPTKEY w

Toggle Fields

OPTKEY

Bits 0-31: Option byte key.

Allowed values: 0x0-0xffffffff

SR

Status register

Offset: 0xc, reset: 0x00000000, access: Unspecified

1/7 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
															BSY r
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
								PGSERR rw	PGPERR rw	PGAERR rw	WRPERR rw			OPERR rw	EOP rw

Toggle Fields

EOP

Bit 0: End of operation.

OPERR

Bit 1: Operation error.

WRPERR

Bit 4: Write protection error.

PGAERR

Bit 5: Programming alignment error.

PGPERR

Bit 6: Programming parallelism error.

PGSERR

Bit 7: Programming sequence error.

BSY

Bit 16: Busy.

CR

Control register

Offset: 0x10, reset: 0x80000000, access: read-write

9/9 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
LOCK rw						ERRIE rw	EOPIE rw								STRT rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
						PSIZE rw			SNB rw				MER rw	SER rw	PG rw

Toggle Fields

PG

Bit 0: Programming.

Allowed values:
1: Program: Flash programming activated

SER

Bit 1: Sector Erase.

Allowed values:
1: SectorErase: Erase activated for selected sector

MER

Bit 2: Mass Erase.

Allowed values:
1: MassErase: Erase activated for all user sectors

SNB

Bits 3-6: Sector number.

Allowed values: 0x0-0xb

PSIZE

Bits 8-9: Program size.

Allowed values:
0: PSIZE8: Program x8
1: PSIZE16: Program x16
2: PSIZE32: Program x32
3: PSIZE64: Program x64

STRT

Bit 16: Start.

Allowed values:
1: Start: Trigger an erase operation

EOPIE

Bit 24: End of operation interrupt enable.

Allowed values:
0: Disabled: End of operation interrupt disabled
1: Enabled: End of operation interrupt enabled

ERRIE

Bit 25: Error interrupt enable.

Allowed values:
0: Disabled: Error interrupt generation disabled
1: Enabled: Error interrupt generation enabled

LOCK

Bit 31: Lock.

Allowed values:
0: Unlocked: FLASH_CR register is unlocked
1: Locked: FLASH_CR register is locked

OPTCR

Flash option control register

Offset: 0x14, reset: 0x7FFFAAED, access: read-write

0/9 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
SPRMOD rw											nWRP rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
RDP rw								nRST_STDBY rw	nRST_STOP rw	WDG_SW rw		BOR_LEV rw		OPTSTRT rw	OPTLOCK rw

Toggle Fields

OPTLOCK

Bit 0: Option lock.

OPTSTRT

Bit 1: Option start.

BOR_LEV

Bits 2-3: BOR reset Level.

WDG_SW

Bit 5: WDG_SW User option bytes.

nRST_STOP

Bit 6: nRST_STOP User option bytes.

nRST_STDBY

Bit 7: nRST_STDBY User option bytes.

RDP

Bits 8-15: Read protect.

nWRP

Bits 16-20: Not write protect.

SPRMOD

Bit 31: SPRMOD.

FMPI2C1

0x40006000: Inter-integrated circuit

75/76 fields covered. Toggle Registers

Show register map

Offset	Name	31	27	26	25	24	23	22	21	20	19	18	17	16	15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
0x0	CR1						PECEN	ALERTEN	SMBDEN	SMBHEN	GCEN	WUPEN	NOSTRETCH	SBC	RXDMAEN	TXDMAEN		ANFOFF	DNF				ERRIE	TCIE	STOPIE	NACKIE	ADDRIE	RXIE	TXIE	PE
0x4	CR2			PECBYTE	AUTOEND	RELOAD	NBYTES								NACK	STOP	START	HEAD10R	ADD10	RD_WRN	SADD
0x8	OAR1														OA1EN					OA1MODE	OA1
0xc	OAR2														OA2EN					OA2MSK			OA2
0x10	TIMINGR	PRESC					SCLDEL				SDADEL				SCLH								SCLL
0x14	TIMEOUTR	TEXTEN	TIMEOUTB												TIMOUTEN			TIDLE	TIMEOUTA
0x18	ISR						ADDCODE							DIR	BUSY		ALERT	TIMEOUT	PECERR	OVR	ARLO	BERR	TCR	TC	STOPF	NACKF	ADDR	RXNE	TXIS	TXE
0x1c	ICR																ALERTCF	TIMOUTCF	PECCF	OVRCF	ARLOCF	BERRCF			STOPCF	NACKCF	ADDRCF
0x20	PECR																						PEC
0x24	RXDR																						RXDATA
0x28	TXDR																						TXDATA

CR1

Control register 1

Offset: 0x0, reset: 0x00000000, access: read-write

19/20 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
								PECEN rw	ALERTEN rw	SMBDEN rw	SMBHEN rw	GCEN rw	WUPEN rw	NOSTRETCH rw	SBC rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
RXDMAEN rw	TXDMAEN rw		ANFOFF rw	DNF rw				ERRIE rw	TCIE rw	STOPIE rw	NACKIE rw	ADDRIE rw	RXIE rw	TXIE rw	PE rw

Toggle Fields

PE

Bit 0: Peripheral enable.

Allowed values:
0: Disabled: Peripheral disabled
1: Enabled: Peripheral enabled

TXIE

Bit 1: TX Interrupt enable.

Allowed values:
0: Disabled: Transmit (TXIS) interrupt disabled
1: Enabled: Transmit (TXIS) interrupt enabled

RXIE

Bit 2: RX Interrupt enable.

Allowed values:
0: Disabled: Receive (RXNE) interrupt disabled
1: Enabled: Receive (RXNE) interrupt enabled

ADDRIE

Bit 3: Address match interrupt enable (slave only).

Allowed values:
0: Disabled: Address match (ADDR) interrupts disabled
1: Enabled: Address match (ADDR) interrupts enabled

NACKIE

Bit 4: Not acknowledge received interrupt enable.

Allowed values:
0: Disabled: Not acknowledge (NACKF) received interrupts disabled
1: Enabled: Not acknowledge (NACKF) received interrupts enabled

STOPIE

Bit 5: STOP detection Interrupt enable.

Allowed values:
0: Disabled: Stop detection (STOPF) interrupt disabled
1: Enabled: Stop detection (STOPF) interrupt enabled

TCIE

Bit 6: Transfer Complete interrupt enable.

Allowed values:
0: Disabled: Transfer Complete interrupt disabled
1: Enabled: Transfer Complete interrupt enabled

ERRIE

Bit 7: Error interrupts enable.

Allowed values:
0: Disabled: Error detection interrupts disabled
1: Enabled: Error detection interrupts enabled

DNF

Bits 8-11: Digital noise filter.

Allowed values:
0: NoFilter: Digital filter disabled
1: Filter1: Digital filter enabled and filtering capability up to 1 tI2CCLK
2: Filter2: Digital filter enabled and filtering capability up to 2 tI2CCLK
3: Filter3: Digital filter enabled and filtering capability up to 3 tI2CCLK
4: Filter4: Digital filter enabled and filtering capability up to 4 tI2CCLK
5: Filter5: Digital filter enabled and filtering capability up to 5 tI2CCLK
6: Filter6: Digital filter enabled and filtering capability up to 6 tI2CCLK
7: Filter7: Digital filter enabled and filtering capability up to 7 tI2CCLK
8: Filter8: Digital filter enabled and filtering capability up to 8 tI2CCLK
9: Filter9: Digital filter enabled and filtering capability up to 9 tI2CCLK
10: Filter10: Digital filter enabled and filtering capability up to 10 tI2CCLK
11: Filter11: Digital filter enabled and filtering capability up to 11 tI2CCLK
12: Filter12: Digital filter enabled and filtering capability up to 12 tI2CCLK
13: Filter13: Digital filter enabled and filtering capability up to 13 tI2CCLK
14: Filter14: Digital filter enabled and filtering capability up to 14 tI2CCLK
15: Filter15: Digital filter enabled and filtering capability up to 15 tI2CCLK

ANFOFF

Bit 12: Analog noise filter OFF.

Allowed values:
0: Enabled: Analog noise filter enabled
1: Disabled: Analog noise filter disabled

TXDMAEN

Bit 14: DMA transmission requests enable.

Allowed values:
0: Disabled: DMA mode disabled for transmission
1: Enabled: DMA mode enabled for transmission

RXDMAEN

Bit 15: DMA reception requests enable.

Allowed values:
0: Disabled: DMA mode disabled for reception
1: Enabled: DMA mode enabled for reception

SBC

Bit 16: Slave byte control.

Allowed values:
0: Disabled: Slave byte control disabled
1: Enabled: Slave byte control enabled

NOSTRETCH

Bit 17: Clock stretching disable.

Allowed values:
0: Enabled: Clock stretching enabled
1: Disabled: Clock stretching disabled

WUPEN

Bit 18: Wakeup from STOP enable.

GCEN

Bit 19: General call enable.

Allowed values:
0: Disabled: General call disabled. Address 0b00000000 is NACKed
1: Enabled: General call enabled. Address 0b00000000 is ACKed

SMBHEN

Bit 20: SMBus Host address enable.

Allowed values:
0: Disabled: Host address disabled. Address 0b0001000x is NACKed
1: Enabled: Host address enabled. Address 0b0001000x is ACKed

SMBDEN

Bit 21: SMBus Device Default address enable.

Allowed values:
0: Disabled: Device default address disabled. Address 0b1100001x is NACKed
1: Enabled: Device default address enabled. Address 0b1100001x is ACKed

ALERTEN

Bit 22: SMBUS alert enable.

Allowed values:
0: Disabled: In device mode (SMBHEN=Disabled) Releases SMBA pin high and Alert Response Address Header disabled (0001100x) followed by NACK. In host mode (SMBHEN=Enabled) SMBus Alert pin (SMBA) not supported
1: Enabled: In device mode (SMBHEN=Disabled) Drives SMBA pin low and Alert Response Address Header enabled (0001100x) followed by ACK.In host mode (SMBHEN=Enabled) SMBus Alert pin (SMBA) supported

PECEN

Bit 23: PEC enable.

Allowed values:
0: Disabled: PEC calculation disabled
1: Enabled: PEC calculation enabled

CR2

Control register 2

Offset: 0x4, reset: 0x00000000, access: read-write

11/11 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
					PECBYTE rw	AUTOEND rw	RELOAD rw	NBYTES rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
NACK rw	STOP rw	START rw	HEAD10R rw	ADD10 rw	RD_WRN rw	SADD rw

Toggle Fields

SADD

Bits 0-9: Slave address bit (master mode).

Allowed values: 0x0-0x3ff

RD_WRN

Bit 10: Transfer direction (master mode).

Allowed values:
0: Write: Master requests a write transfer
1: Read: Master requests a read transfer

ADD10

Bit 11: 10-bit addressing mode (master mode).

Allowed values:
0: Bit7: The master operates in 7-bit addressing mode
1: Bit10: The master operates in 10-bit addressing mode

HEAD10R

Bit 12: 10-bit address header only read direction (master receiver mode).

Allowed values:
0: Complete: The master sends the complete 10 bit slave address read sequence
1: Partial: The master only sends the 1st 7 bits of the 10 bit address, followed by Read direction

START

Bit 13: Start generation.

Allowed values:
0: NoStart: No Start generation
1: Start: Restart/Start generation

STOP

Bit 14: Stop generation (master mode).

Allowed values:
0: NoStop: No Stop generation
1: Stop: Stop generation after current byte transfer

NACK

Bit 15: NACK generation (slave mode).

Allowed values:
0: Ack: an ACK is sent after current received byte
1: Nack: a NACK is sent after current received byte

NBYTES

Bits 16-23: Number of bytes.

Allowed values: 0x0-0xff

RELOAD

Bit 24: NBYTES reload mode.

Allowed values:
0: Completed: The transfer is completed after the NBYTES data transfer (STOP or RESTART will follow)
1: NotCompleted: The transfer is not completed after the NBYTES data transfer (NBYTES will be reloaded)

AUTOEND

Bit 25: Automatic end mode (master mode).

Allowed values:
0: Software: Software end mode: TC flag is set when NBYTES data are transferred, stretching SCL low
1: Automatic: Automatic end mode: a STOP condition is automatically sent when NBYTES data are transferred

PECBYTE

Bit 26: Packet error checking byte.

Allowed values:
0: NoPec: No PEC transfer
1: Pec: PEC transmission/reception is requested

OAR1

Own address register 1

Offset: 0x8, reset: 0x00000000, access: read-write

3/3 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
OA1EN rw					OA1MODE rw	OA1 rw

Toggle Fields

OA1

Bits 0-9: Interface address.

Allowed values: 0x0-0x3ff

OA1MODE

Bit 10: Own Address 1 10-bit mode.

Allowed values:
0: Bit7: Own address 1 is a 7-bit address
1: Bit10: Own address 1 is a 10-bit address

OA1EN

Bit 15: Own Address 1 enable.

Allowed values:
0: Disabled: Own address 1 disabled. The received slave address OA1 is NACKed
1: Enabled: Own address 1 enabled. The received slave address OA1 is ACKed

OAR2

Own address register 2

Offset: 0xc, reset: 0x00000000, access: read-write

3/3 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
OA2EN rw					OA2MSK rw			OA2 rw

Toggle Fields

OA2

Bits 1-7: Interface address.

Allowed values: 0x0-0x7f

OA2MSK

Bits 8-10: Own Address 2 masks.

Allowed values:
0: NoMask: No mask
1: Mask1: OA2[1] is masked and don’t care. Only OA2[7:2] are compared
2: Mask2: OA2[2:1] are masked and don’t care. Only OA2[7:3] are compared
3: Mask3: OA2[3:1] are masked and don’t care. Only OA2[7:4] are compared
4: Mask4: OA2[4:1] are masked and don’t care. Only OA2[7:5] are compared
5: Mask5: OA2[5:1] are masked and don’t care. Only OA2[7:6] are compared
6: Mask6: OA2[6:1] are masked and don’t care. Only OA2[7] is compared.
7: Mask7: OA2[7:1] are masked and don’t care. No comparison is done, and all (except reserved) 7-bit received addresses are acknowledged

OA2EN

Bit 15: Own Address 2 enable.

Allowed values:
0: Disabled: Own address 2 disabled. The received slave address OA2 is NACKed
1: Enabled: Own address 2 enabled. The received slave address OA2 is ACKed

TIMINGR

Timing register

Offset: 0x10, reset: 0x00000000, access: read-write

5/5 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
PRESC rw								SCLDEL rw				SDADEL rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
SCLH rw								SCLL rw

Toggle Fields

SCLL

Bits 0-7: SCL low period (master mode).

Allowed values: 0x0-0xff

SCLH

Bits 8-15: SCL high period (master mode).

Allowed values: 0x0-0xff

SDADEL

Bits 16-19: Data hold time.

Allowed values: 0x0-0xf

SCLDEL

Bits 20-23: Data setup time.

Allowed values: 0x0-0xf

PRESC

Bits 28-31: Timing prescaler.

Allowed values: 0x0-0xf

TIMEOUTR

Status register 1

Offset: 0x14, reset: 0x00000000, access: read-write

5/5 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
TEXTEN rw				TIMEOUTB rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
TIMOUTEN rw			TIDLE rw	TIMEOUTA rw

Toggle Fields

TIMEOUTA

Bits 0-11: Bus timeout A.

Allowed values: 0x0-0xfff

TIDLE

Bit 12: Idle clock timeout detection.

Allowed values:
0: Disabled: TIMEOUTA is used to detect SCL low timeout
1: Enabled: TIMEOUTA is used to detect both SCL and SDA high timeout (bus idle condition)

TIMOUTEN

Bit 15: Clock timeout enable.

Allowed values:
0: Disabled: SCL timeout detection is disabled
1: Enabled: SCL timeout detection is enabled

TIMEOUTB

Bits 16-27: Bus timeout B.

Allowed values: 0x0-0xfff

TEXTEN

Bit 31: Extended clock timeout enable.

Allowed values:
0: Disabled: Extended clock timeout detection is disabled
1: Enabled: Extended clock timeout detection is enabled

ISR

Interrupt and Status register

Offset: 0x18, reset: 0x00000001, access: Unspecified

17/17 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
								ADDCODE r							DIR r
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
BUSY r		ALERT r	TIMEOUT r	PECERR r	OVR r	ARLO r	BERR r	TCR r	TC r	STOPF r	NACKF r	ADDR r	RXNE r	TXIS rw	TXE rw

Toggle Fields

TXE

Bit 0: Transmit data register empty (transmitters).

Allowed values:
0: NotEmpty: TXDR register not empty
1: Empty: TXDR register empty

TXIS

Bit 1: Transmit interrupt status (transmitters).

Allowed values:
0: NotEmpty: The TXDR register is not empty
1: Empty: The TXDR register is empty and the data to be transmitted must be written in the TXDR register

RXNE

Bit 2: Receive data register not empty (receivers).

Allowed values:
0: Empty: The RXDR register is empty
1: NotEmpty: Received data is copied into the RXDR register, and is ready to be read

ADDR

Bit 3: Address matched (slave mode).

Allowed values:
0: NotMatch: Adress mismatched or not received
1: Match: Received slave address matched with one of the enabled slave addresses

NACKF

Bit 4: Not acknowledge received flag.

Allowed values:
0: NoNack: No NACK has been received
1: Nack: NACK has been received

STOPF

Bit 5: Stop detection flag.

Allowed values:
0: NoStop: No Stop condition detected
1: Stop: Stop condition detected

TC

Bit 6: Transfer Complete (master mode).

Allowed values:
0: NotComplete: Transfer is not complete
1: Complete: NBYTES has been transfered

TCR

Bit 7: Transfer Complete Reload.

Allowed values:
0: NotComplete: Transfer is not complete
1: Complete: NBYTES has been transfered

BERR

Bit 8: Bus error.

Allowed values:
0: NoError: No bus error
1: Error: Misplaced Start and Stop condition is detected

ARLO

Bit 9: Arbitration lost.

Allowed values:
0: NotLost: No arbitration lost
1: Lost: Arbitration lost

OVR

Bit 10: Overrun/Underrun (slave mode).

Allowed values:
0: NoOverrun: No overrun/underrun error occurs
1: Overrun: slave mode with NOSTRETCH=1, when an overrun/underrun error occurs

PECERR

Bit 11: PEC Error in reception.

Allowed values:
0: Match: Received PEC does match with PEC register
1: NoMatch: Received PEC does not match with PEC register

TIMEOUT

Bit 12: Timeout or t_low detection flag.

Allowed values:
0: NoTimeout: No timeout occured
1: Timeout: Timeout occured

ALERT

Bit 13: SMBus alert.

Allowed values:
0: NoAlert: SMBA alert is not detected
1: Alert: SMBA alert event is detected on SMBA pin

BUSY

Bit 15: Bus busy.

Allowed values:
0: NotBusy: No communication is in progress on the bus
1: Busy: A communication is in progress on the bus

DIR

Bit 16: Transfer direction (Slave mode).

Allowed values:
0: Write: Write transfer, slave enters receiver mode
1: Read: Read transfer, slave enters transmitter mode

ADDCODE

Bits 17-23: Address match code (Slave mode).

Allowed values: 0x0-0x7f

ICR

Interrupt clear register

Offset: 0x1c, reset: 0x00000000, access: write-only

9/9 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
		ALERTCF w	TIMOUTCF w	PECCF w	OVRCF w	ARLOCF w	BERRCF w			STOPCF w	NACKCF w	ADDRCF w

Toggle Fields

ADDRCF

Bit 3: Address Matched flag clear.

Allowed values:
1: Clear: Clears the ADDR flag in ISR register

NACKCF

Bit 4: Not Acknowledge flag clear.

Allowed values:
1: Clear: Clears the NACK flag in ISR register

STOPCF

Bit 5: Stop detection flag clear.

Allowed values:
1: Clear: Clears the STOP flag in ISR register

BERRCF

Bit 8: Bus error flag clear.

Allowed values:
1: Clear: Clears the BERR flag in ISR register

ARLOCF

Bit 9: Arbitration lost flag clear.

Allowed values:
1: Clear: Clears the ARLO flag in ISR register

OVRCF

Bit 10: Overrun/Underrun flag clear.

Allowed values:
1: Clear: Clears the OVR flag in ISR register

PECCF

Bit 11: PEC Error flag clear.

Allowed values:
1: Clear: Clears the PEC flag in ISR register

TIMOUTCF

Bit 12: Timeout detection flag clear.

Allowed values:
1: Clear: Clears the TIMOUT flag in ISR register

ALERTCF

Bit 13: Alert flag clear.

Allowed values:
1: Clear: Clears the ALERT flag in ISR register

PECR

PEC register

Offset: 0x20, reset: 0x00000000, access: read-only

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
								PEC r

Toggle Fields

PEC

Bits 0-7: Packet error checking register.

Allowed values: 0x0-0xff

RXDR

Receive data register

Offset: 0x24, reset: 0x00000000, access: read-only

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
								RXDATA r

Toggle Fields

RXDATA

Bits 0-7: 8-bit receive data.

Allowed values: 0x0-0xff

TXDR

Transmit data register

Offset: 0x28, reset: 0x00000000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
								TXDATA rw

Toggle Fields

TXDATA

Bits 0-7: 8-bit transmit data.

Allowed values: 0x0-0xff

FPU

0xe000ef34: Floting point unit

0/24 fields covered. Toggle Registers

Show register map

Offset	Name	31	30	29	28	26	25	24	23	15	8	7	6	5	4	3	2	1	0
0x0	FPCCR	ASPEN	LSPEN								MONRDY		BFRDY	MMRDY	HFRDY	THREAD		USER	LSPACT
0x4	FPCAR	ADDRESS								ADDRESS
0x8	FPSCR	N	Z	C	V	AHP	DN	FZ	RMode			IDC			IXC	UFC	OFC	DZC	IOC

FPCCR

Floating-point context control register

Offset: 0x0, reset: 0x00000000, access: read-write

0/9 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
ASPEN rw	LSPEN rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
							MONRDY rw		BFRDY rw	MMRDY rw	HFRDY rw	THREAD rw		USER rw	LSPACT rw

Toggle Fields

LSPACT

Bit 0: LSPACT.

USER

Bit 1: USER.

THREAD

Bit 3: THREAD.

HFRDY

Bit 4: HFRDY.

MMRDY

Bit 5: MMRDY.

BFRDY

Bit 6: BFRDY.

MONRDY

Bit 8: MONRDY.

LSPEN

Bit 30: LSPEN.

ASPEN

Bit 31: ASPEN.

FPCAR

Floating-point context address register

Offset: 0x4, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
ADDRESS rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
ADDRESS rw

Toggle Fields

ADDRESS

Bits 3-31: Location of unpopulated floating-point.

FPSCR

Floating-point status control register

Offset: 0x8, reset: 0x00000000, access: read-write

0/14 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
N rw	Z rw	C rw	V rw		AHP rw	DN rw	FZ rw	RMode rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
								IDC rw			IXC rw	UFC rw	OFC rw	DZC rw	IOC rw

Toggle Fields

IOC

Bit 0: Invalid operation cumulative exception bit.

DZC

Bit 1: Division by zero cumulative exception bit..

OFC

Bit 2: Overflow cumulative exception bit.

UFC

Bit 3: Underflow cumulative exception bit.

IXC

Bit 4: Inexact cumulative exception bit.

IDC

Bit 7: Input denormal cumulative exception bit..

RMode

Bits 22-23: Rounding Mode control field.

FZ

Bit 24: Flush-to-zero mode control bit:.

DN

Bit 25: Default NaN mode control bit.

AHP

Bit 26: Alternative half-precision control bit.

V

Bit 28: Overflow condition code flag.

C

Bit 29: Carry condition code flag.

Z

Bit 30: Zero condition code flag.

N

Bit 31: Negative condition code flag.

FPU_CPACR

0xe000ed88: Floating point unit CPACR

0/1 fields covered. Toggle Registers

Show register map

Offset	Name	31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16	15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
0x0	CPACR									CP

CPACR

Coprocessor access control register

Offset: 0x0, reset: 0x0000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
								CP rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0

Toggle Fields

CP

Bits 20-23: CP.

GPIOA

0x40020000: General-purpose I/Os

161/161 fields covered. Toggle Registers

Show register map

Offset	Name	31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16	15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
0x0	MODER	MODER15		MODER14		MODER13		MODER12		MODER11		MODER10		MODER9		MODER8		MODER7		MODER6		MODER5		MODER4		MODER3		MODER2		MODER1		MODER0
0x4	OTYPER																	OT15	OT14	OT13	OT12	OT11	OT10	OT9	OT8	OT7	OT6	OT5	OT4	OT3	OT2	OT1	OT0
0x8	OSPEEDR	OSPEEDR15		OSPEEDR14		OSPEEDR13		OSPEEDR12		OSPEEDR11		OSPEEDR10		OSPEEDR9		OSPEEDR8		OSPEEDR7		OSPEEDR6		OSPEEDR5		OSPEEDR4		OSPEEDR3		OSPEEDR2		OSPEEDR1		OSPEEDR0
0xc	PUPDR	PUPDR15		PUPDR14		PUPDR13		PUPDR12		PUPDR11		PUPDR10		PUPDR9		PUPDR8		PUPDR7		PUPDR6		PUPDR5		PUPDR4		PUPDR3		PUPDR2		PUPDR1		PUPDR0
0x10	IDR																	IDR15	IDR14	IDR13	IDR12	IDR11	IDR10	IDR9	IDR8	IDR7	IDR6	IDR5	IDR4	IDR3	IDR2	IDR1	IDR0
0x14	ODR																	ODR15	ODR14	ODR13	ODR12	ODR11	ODR10	ODR9	ODR8	ODR7	ODR6	ODR5	ODR4	ODR3	ODR2	ODR1	ODR0
0x18	BSRR	BR15	BR14	BR13	BR12	BR11	BR10	BR9	BR8	BR7	BR6	BR5	BR4	BR3	BR2	BR1	BR0	BS15	BS14	BS13	BS12	BS11	BS10	BS9	BS8	BS7	BS6	BS5	BS4	BS3	BS2	BS1	BS0
0x1c	LCKR																LCKK	LCK15	LCK14	LCK13	LCK12	LCK11	LCK10	LCK9	LCK8	LCK7	LCK6	LCK5	LCK4	LCK3	LCK2	LCK1	LCK0
0x20	AFRL	AFRL7				AFRL6				AFRL5				AFRL4				AFRL3				AFRL2				AFRL1				AFRL0
0x24	AFRH	AFRH15				AFRH14				AFRH13				AFRH12				AFRH11				AFRH10				AFRH9				AFRH8

MODER

GPIO port mode register

Offset: 0x0, reset: 0xA8000000, access: read-write

16/16 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
MODER15 rw		MODER14 rw		MODER13 rw		MODER12 rw		MODER11 rw		MODER10 rw		MODER9 rw		MODER8 rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
MODER7 rw		MODER6 rw		MODER5 rw		MODER4 rw		MODER3 rw		MODER2 rw		MODER1 rw		MODER0 rw

Toggle Fields

MODER0

Bits 0-1: Port x configuration bits (y = 0..15).

Allowed values:
0: Input: Input mode (reset state)
1: Output: General purpose output mode
2: Alternate: Alternate function mode
3: Analog: Analog mode

MODER1

Bits 2-3: Port x configuration bits (y = 0..15).

Allowed values:
0: Input: Input mode (reset state)
1: Output: General purpose output mode
2: Alternate: Alternate function mode
3: Analog: Analog mode

MODER2

Bits 4-5: Port x configuration bits (y = 0..15).

Allowed values:
0: Input: Input mode (reset state)
1: Output: General purpose output mode
2: Alternate: Alternate function mode
3: Analog: Analog mode

MODER3

Bits 6-7: Port x configuration bits (y = 0..15).

Allowed values:
0: Input: Input mode (reset state)
1: Output: General purpose output mode
2: Alternate: Alternate function mode
3: Analog: Analog mode

MODER4

Bits 8-9: Port x configuration bits (y = 0..15).

Allowed values:
0: Input: Input mode (reset state)
1: Output: General purpose output mode
2: Alternate: Alternate function mode
3: Analog: Analog mode

MODER5

Bits 10-11: Port x configuration bits (y = 0..15).

Allowed values:
0: Input: Input mode (reset state)
1: Output: General purpose output mode
2: Alternate: Alternate function mode
3: Analog: Analog mode

MODER6

Bits 12-13: Port x configuration bits (y = 0..15).

Allowed values:
0: Input: Input mode (reset state)
1: Output: General purpose output mode
2: Alternate: Alternate function mode
3: Analog: Analog mode

MODER7

Bits 14-15: Port x configuration bits (y = 0..15).

Allowed values:
0: Input: Input mode (reset state)
1: Output: General purpose output mode
2: Alternate: Alternate function mode
3: Analog: Analog mode

MODER8

Bits 16-17: Port x configuration bits (y = 0..15).

Allowed values:
0: Input: Input mode (reset state)
1: Output: General purpose output mode
2: Alternate: Alternate function mode
3: Analog: Analog mode

MODER9

Bits 18-19: Port x configuration bits (y = 0..15).

Allowed values:
0: Input: Input mode (reset state)
1: Output: General purpose output mode
2: Alternate: Alternate function mode
3: Analog: Analog mode

MODER10

Bits 20-21: Port x configuration bits (y = 0..15).

Allowed values:
0: Input: Input mode (reset state)
1: Output: General purpose output mode
2: Alternate: Alternate function mode
3: Analog: Analog mode

MODER11

Bits 22-23: Port x configuration bits (y = 0..15).

Allowed values:
0: Input: Input mode (reset state)
1: Output: General purpose output mode
2: Alternate: Alternate function mode
3: Analog: Analog mode

MODER12

Bits 24-25: Port x configuration bits (y = 0..15).

Allowed values:
0: Input: Input mode (reset state)
1: Output: General purpose output mode
2: Alternate: Alternate function mode
3: Analog: Analog mode

MODER13

Bits 26-27: Port x configuration bits (y = 0..15).

Allowed values:
0: Input: Input mode (reset state)
1: Output: General purpose output mode
2: Alternate: Alternate function mode
3: Analog: Analog mode

MODER14

Bits 28-29: Port x configuration bits (y = 0..15).

Allowed values:
0: Input: Input mode (reset state)
1: Output: General purpose output mode
2: Alternate: Alternate function mode
3: Analog: Analog mode

MODER15

Bits 30-31: Port x configuration bits (y = 0..15).

Allowed values:
0: Input: Input mode (reset state)
1: Output: General purpose output mode
2: Alternate: Alternate function mode
3: Analog: Analog mode

OTYPER

GPIO port output type register

Offset: 0x4, reset: 0x00000000, access: read-write

16/16 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
OT15 rw	OT14 rw	OT13 rw	OT12 rw	OT11 rw	OT10 rw	OT9 rw	OT8 rw	OT7 rw	OT6 rw	OT5 rw	OT4 rw	OT3 rw	OT2 rw	OT1 rw	OT0 rw

Toggle Fields

OT0

Bit 0: Port x configuration bits (y = 0..15).

Allowed values:
0: PushPull: Output push-pull (reset state)
1: OpenDrain: Output open-drain

OT1

Bit 1: Port x configuration bits (y = 0..15).

Allowed values:
0: PushPull: Output push-pull (reset state)
1: OpenDrain: Output open-drain

OT2

Bit 2: Port x configuration bits (y = 0..15).

Allowed values:
0: PushPull: Output push-pull (reset state)
1: OpenDrain: Output open-drain

OT3

Bit 3: Port x configuration bits (y = 0..15).

Allowed values:
0: PushPull: Output push-pull (reset state)
1: OpenDrain: Output open-drain

OT4

Bit 4: Port x configuration bits (y = 0..15).

Allowed values:
0: PushPull: Output push-pull (reset state)
1: OpenDrain: Output open-drain

OT5

Bit 5: Port x configuration bits (y = 0..15).

Allowed values:
0: PushPull: Output push-pull (reset state)
1: OpenDrain: Output open-drain

OT6

Bit 6: Port x configuration bits (y = 0..15).

Allowed values:
0: PushPull: Output push-pull (reset state)
1: OpenDrain: Output open-drain

OT7

Bit 7: Port x configuration bits (y = 0..15).

Allowed values:
0: PushPull: Output push-pull (reset state)
1: OpenDrain: Output open-drain

OT8

Bit 8: Port x configuration bits (y = 0..15).

Allowed values:
0: PushPull: Output push-pull (reset state)
1: OpenDrain: Output open-drain

OT9

Bit 9: Port x configuration bits (y = 0..15).

Allowed values:
0: PushPull: Output push-pull (reset state)
1: OpenDrain: Output open-drain

OT10

Bit 10: Port x configuration bits (y = 0..15).

Allowed values:
0: PushPull: Output push-pull (reset state)
1: OpenDrain: Output open-drain

OT11

Bit 11: Port x configuration bits (y = 0..15).

Allowed values:
0: PushPull: Output push-pull (reset state)
1: OpenDrain: Output open-drain

OT12

Bit 12: Port x configuration bits (y = 0..15).

Allowed values:
0: PushPull: Output push-pull (reset state)
1: OpenDrain: Output open-drain

OT13

Bit 13: Port x configuration bits (y = 0..15).

Allowed values:
0: PushPull: Output push-pull (reset state)
1: OpenDrain: Output open-drain

OT14

Bit 14: Port x configuration bits (y = 0..15).

Allowed values:
0: PushPull: Output push-pull (reset state)
1: OpenDrain: Output open-drain

OT15

Bit 15: Port x configuration bits (y = 0..15).

Allowed values:
0: PushPull: Output push-pull (reset state)
1: OpenDrain: Output open-drain

OSPEEDR

GPIO port output speed register

Offset: 0x8, reset: 0x00000000, access: read-write

16/16 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
OSPEEDR15 rw		OSPEEDR14 rw		OSPEEDR13 rw		OSPEEDR12 rw		OSPEEDR11 rw		OSPEEDR10 rw		OSPEEDR9 rw		OSPEEDR8 rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
OSPEEDR7 rw		OSPEEDR6 rw		OSPEEDR5 rw		OSPEEDR4 rw		OSPEEDR3 rw		OSPEEDR2 rw		OSPEEDR1 rw		OSPEEDR0 rw

Toggle Fields

OSPEEDR0

Bits 0-1: Port x configuration bits (y = 0..15).

Allowed values:
0: LowSpeed: Low speed
1: MediumSpeed: Medium speed
2: HighSpeed: High speed
3: VeryHighSpeed: Very high speed

OSPEEDR1

Bits 2-3: Port x configuration bits (y = 0..15).

Allowed values:
0: LowSpeed: Low speed
1: MediumSpeed: Medium speed
2: HighSpeed: High speed
3: VeryHighSpeed: Very high speed

OSPEEDR2

Bits 4-5: Port x configuration bits (y = 0..15).

Allowed values:
0: LowSpeed: Low speed
1: MediumSpeed: Medium speed
2: HighSpeed: High speed
3: VeryHighSpeed: Very high speed

OSPEEDR3

Bits 6-7: Port x configuration bits (y = 0..15).

Allowed values:
0: LowSpeed: Low speed
1: MediumSpeed: Medium speed
2: HighSpeed: High speed
3: VeryHighSpeed: Very high speed

OSPEEDR4

Bits 8-9: Port x configuration bits (y = 0..15).

Allowed values:
0: LowSpeed: Low speed
1: MediumSpeed: Medium speed
2: HighSpeed: High speed
3: VeryHighSpeed: Very high speed

OSPEEDR5

Bits 10-11: Port x configuration bits (y = 0..15).

Allowed values:
0: LowSpeed: Low speed
1: MediumSpeed: Medium speed
2: HighSpeed: High speed
3: VeryHighSpeed: Very high speed

OSPEEDR6

Bits 12-13: Port x configuration bits (y = 0..15).

Allowed values:
0: LowSpeed: Low speed
1: MediumSpeed: Medium speed
2: HighSpeed: High speed
3: VeryHighSpeed: Very high speed

OSPEEDR7

Bits 14-15: Port x configuration bits (y = 0..15).

Allowed values:
0: LowSpeed: Low speed
1: MediumSpeed: Medium speed
2: HighSpeed: High speed
3: VeryHighSpeed: Very high speed

OSPEEDR8

Bits 16-17: Port x configuration bits (y = 0..15).

Allowed values:
0: LowSpeed: Low speed
1: MediumSpeed: Medium speed
2: HighSpeed: High speed
3: VeryHighSpeed: Very high speed

OSPEEDR9

Bits 18-19: Port x configuration bits (y = 0..15).

Allowed values:
0: LowSpeed: Low speed
1: MediumSpeed: Medium speed
2: HighSpeed: High speed
3: VeryHighSpeed: Very high speed

OSPEEDR10

Bits 20-21: Port x configuration bits (y = 0..15).

Allowed values:
0: LowSpeed: Low speed
1: MediumSpeed: Medium speed
2: HighSpeed: High speed
3: VeryHighSpeed: Very high speed

OSPEEDR11

Bits 22-23: Port x configuration bits (y = 0..15).

Allowed values:
0: LowSpeed: Low speed
1: MediumSpeed: Medium speed
2: HighSpeed: High speed
3: VeryHighSpeed: Very high speed

OSPEEDR12

Bits 24-25: Port x configuration bits (y = 0..15).

Allowed values:
0: LowSpeed: Low speed
1: MediumSpeed: Medium speed
2: HighSpeed: High speed
3: VeryHighSpeed: Very high speed

OSPEEDR13

Bits 26-27: Port x configuration bits (y = 0..15).

Allowed values:
0: LowSpeed: Low speed
1: MediumSpeed: Medium speed
2: HighSpeed: High speed
3: VeryHighSpeed: Very high speed

OSPEEDR14

Bits 28-29: Port x configuration bits (y = 0..15).

Allowed values:
0: LowSpeed: Low speed
1: MediumSpeed: Medium speed
2: HighSpeed: High speed
3: VeryHighSpeed: Very high speed

OSPEEDR15

Bits 30-31: Port x configuration bits (y = 0..15).

Allowed values:
0: LowSpeed: Low speed
1: MediumSpeed: Medium speed
2: HighSpeed: High speed
3: VeryHighSpeed: Very high speed

PUPDR

GPIO port pull-up/pull-down register

Offset: 0xc, reset: 0x64000000, access: read-write

16/16 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
PUPDR15 rw		PUPDR14 rw		PUPDR13 rw		PUPDR12 rw		PUPDR11 rw		PUPDR10 rw		PUPDR9 rw		PUPDR8 rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
PUPDR7 rw		PUPDR6 rw		PUPDR5 rw		PUPDR4 rw		PUPDR3 rw		PUPDR2 rw		PUPDR1 rw		PUPDR0 rw

Toggle Fields

PUPDR0

Bits 0-1: Port x configuration bits (y = 0..15).

Allowed values:
0: Floating: No pull-up, pull-down
1: PullUp: Pull-up
2: PullDown: Pull-down

PUPDR1

Bits 2-3: Port x configuration bits (y = 0..15).

Allowed values:
0: Floating: No pull-up, pull-down
1: PullUp: Pull-up
2: PullDown: Pull-down

PUPDR2

Bits 4-5: Port x configuration bits (y = 0..15).

Allowed values:
0: Floating: No pull-up, pull-down
1: PullUp: Pull-up
2: PullDown: Pull-down

PUPDR3

Bits 6-7: Port x configuration bits (y = 0..15).

Allowed values:
0: Floating: No pull-up, pull-down
1: PullUp: Pull-up
2: PullDown: Pull-down

PUPDR4

Bits 8-9: Port x configuration bits (y = 0..15).

Allowed values:
0: Floating: No pull-up, pull-down
1: PullUp: Pull-up
2: PullDown: Pull-down

PUPDR5

Bits 10-11: Port x configuration bits (y = 0..15).

Allowed values:
0: Floating: No pull-up, pull-down
1: PullUp: Pull-up
2: PullDown: Pull-down

PUPDR6

Bits 12-13: Port x configuration bits (y = 0..15).

Allowed values:
0: Floating: No pull-up, pull-down
1: PullUp: Pull-up
2: PullDown: Pull-down

PUPDR7

Bits 14-15: Port x configuration bits (y = 0..15).

Allowed values:
0: Floating: No pull-up, pull-down
1: PullUp: Pull-up
2: PullDown: Pull-down

PUPDR8

Bits 16-17: Port x configuration bits (y = 0..15).

Allowed values:
0: Floating: No pull-up, pull-down
1: PullUp: Pull-up
2: PullDown: Pull-down

PUPDR9

Bits 18-19: Port x configuration bits (y = 0..15).

Allowed values:
0: Floating: No pull-up, pull-down
1: PullUp: Pull-up
2: PullDown: Pull-down

PUPDR10

Bits 20-21: Port x configuration bits (y = 0..15).

Allowed values:
0: Floating: No pull-up, pull-down
1: PullUp: Pull-up
2: PullDown: Pull-down

PUPDR11

Bits 22-23: Port x configuration bits (y = 0..15).

Allowed values:
0: Floating: No pull-up, pull-down
1: PullUp: Pull-up
2: PullDown: Pull-down

PUPDR12

Bits 24-25: Port x configuration bits (y = 0..15).

Allowed values:
0: Floating: No pull-up, pull-down
1: PullUp: Pull-up
2: PullDown: Pull-down

PUPDR13

Bits 26-27: Port x configuration bits (y = 0..15).

Allowed values:
0: Floating: No pull-up, pull-down
1: PullUp: Pull-up
2: PullDown: Pull-down

PUPDR14

Bits 28-29: Port x configuration bits (y = 0..15).

Allowed values:
0: Floating: No pull-up, pull-down
1: PullUp: Pull-up
2: PullDown: Pull-down

PUPDR15

Bits 30-31: Port x configuration bits (y = 0..15).

Allowed values:
0: Floating: No pull-up, pull-down
1: PullUp: Pull-up
2: PullDown: Pull-down

IDR

GPIO port input data register

Offset: 0x10, reset: 0x00000000, access: read-only

16/16 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
IDR15 r	IDR14 r	IDR13 r	IDR12 r	IDR11 r	IDR10 r	IDR9 r	IDR8 r	IDR7 r	IDR6 r	IDR5 r	IDR4 r	IDR3 r	IDR2 r	IDR1 r	IDR0 r

Toggle Fields

IDR0

Bit 0: Port input data (y = 0..15).

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR1

Bit 1: Port input data (y = 0..15).

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR2

Bit 2: Port input data (y = 0..15).

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR3

Bit 3: Port input data (y = 0..15).

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR4

Bit 4: Port input data (y = 0..15).

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR5

Bit 5: Port input data (y = 0..15).

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR6

Bit 6: Port input data (y = 0..15).

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR7

Bit 7: Port input data (y = 0..15).

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR8

Bit 8: Port input data (y = 0..15).

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR9

Bit 9: Port input data (y = 0..15).

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR10

Bit 10: Port input data (y = 0..15).

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR11

Bit 11: Port input data (y = 0..15).

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR12

Bit 12: Port input data (y = 0..15).

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR13

Bit 13: Port input data (y = 0..15).

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR14

Bit 14: Port input data (y = 0..15).

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR15

Bit 15: Port input data (y = 0..15).

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

ODR

GPIO port output data register

Offset: 0x14, reset: 0x00000000, access: read-write

16/16 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
ODR15 rw	ODR14 rw	ODR13 rw	ODR12 rw	ODR11 rw	ODR10 rw	ODR9 rw	ODR8 rw	ODR7 rw	ODR6 rw	ODR5 rw	ODR4 rw	ODR3 rw	ODR2 rw	ODR1 rw	ODR0 rw

Toggle Fields

ODR0

Bit 0: Port output data (y = 0..15).

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR1

Bit 1: Port output data (y = 0..15).

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR2

Bit 2: Port output data (y = 0..15).

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR3

Bit 3: Port output data (y = 0..15).

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR4

Bit 4: Port output data (y = 0..15).

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR5

Bit 5: Port output data (y = 0..15).

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR6

Bit 6: Port output data (y = 0..15).

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR7

Bit 7: Port output data (y = 0..15).

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR8

Bit 8: Port output data (y = 0..15).

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR9

Bit 9: Port output data (y = 0..15).

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR10

Bit 10: Port output data (y = 0..15).

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR11

Bit 11: Port output data (y = 0..15).

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR12

Bit 12: Port output data (y = 0..15).

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR13

Bit 13: Port output data (y = 0..15).

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR14

Bit 14: Port output data (y = 0..15).

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR15

Bit 15: Port output data (y = 0..15).

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

BSRR

GPIO port bit set/reset register

Offset: 0x18, reset: 0x00000000, access: write-only

32/32 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
BR15 w	BR14 w	BR13 w	BR12 w	BR11 w	BR10 w	BR9 w	BR8 w	BR7 w	BR6 w	BR5 w	BR4 w	BR3 w	BR2 w	BR1 w	BR0 w
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
BS15 w	BS14 w	BS13 w	BS12 w	BS11 w	BS10 w	BS9 w	BS8 w	BS7 w	BS6 w	BS5 w	BS4 w	BS3 w	BS2 w	BS1 w	BS0 w

Toggle Fields

BS0

Bit 0: Port x set bit y (y= 0..15).

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS1

Bit 1: Port x set bit y (y= 0..15).

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS2

Bit 2: Port x set bit y (y= 0..15).

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS3

Bit 3: Port x set bit y (y= 0..15).

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS4

Bit 4: Port x set bit y (y= 0..15).

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS5

Bit 5: Port x set bit y (y= 0..15).

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS6

Bit 6: Port x set bit y (y= 0..15).

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS7

Bit 7: Port x set bit y (y= 0..15).

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS8

Bit 8: Port x set bit y (y= 0..15).

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS9

Bit 9: Port x set bit y (y= 0..15).

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS10

Bit 10: Port x set bit y (y= 0..15).

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS11

Bit 11: Port x set bit y (y= 0..15).

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS12

Bit 12: Port x set bit y (y= 0..15).

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS13

Bit 13: Port x set bit y (y= 0..15).

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS14

Bit 14: Port x set bit y (y= 0..15).

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS15

Bit 15: Port x set bit y (y= 0..15).

Allowed values:
1: Set: Sets the corresponding ODRx bit

BR0

Bit 16: Port x set bit y (y= 0..15).

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR1

Bit 17: Port x reset bit y (y = 0..15).

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR2

Bit 18: Port x reset bit y (y = 0..15).

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR3

Bit 19: Port x reset bit y (y = 0..15).

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR4

Bit 20: Port x reset bit y (y = 0..15).

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR5

Bit 21: Port x reset bit y (y = 0..15).

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR6

Bit 22: Port x reset bit y (y = 0..15).

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR7

Bit 23: Port x reset bit y (y = 0..15).

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR8

Bit 24: Port x reset bit y (y = 0..15).

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR9

Bit 25: Port x reset bit y (y = 0..15).

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR10

Bit 26: Port x reset bit y (y = 0..15).

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR11

Bit 27: Port x reset bit y (y = 0..15).

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR12

Bit 28: Port x reset bit y (y = 0..15).

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR13

Bit 29: Port x reset bit y (y = 0..15).

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR14

Bit 30: Port x reset bit y (y = 0..15).

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR15

Bit 31: Port x reset bit y (y = 0..15).

Allowed values:
1: Reset: Resets the corresponding ODRx bit

LCKR

GPIO port configuration lock register

Offset: 0x1c, reset: 0x00000000, access: read-write

17/17 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
															LCKK rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
LCK15 rw	LCK14 rw	LCK13 rw	LCK12 rw	LCK11 rw	LCK10 rw	LCK9 rw	LCK8 rw	LCK7 rw	LCK6 rw	LCK5 rw	LCK4 rw	LCK3 rw	LCK2 rw	LCK1 rw	LCK0 rw

Toggle Fields

LCK0

Bit 0: Port x lock bit y (y= 0..15).

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK1

Bit 1: Port x lock bit y (y= 0..15).

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK2

Bit 2: Port x lock bit y (y= 0..15).

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK3

Bit 3: Port x lock bit y (y= 0..15).

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK4

Bit 4: Port x lock bit y (y= 0..15).

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK5

Bit 5: Port x lock bit y (y= 0..15).

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK6

Bit 6: Port x lock bit y (y= 0..15).

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK7

Bit 7: Port x lock bit y (y= 0..15).

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK8

Bit 8: Port x lock bit y (y= 0..15).

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK9

Bit 9: Port x lock bit y (y= 0..15).

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK10

Bit 10: Port x lock bit y (y= 0..15).

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK11

Bit 11: Port x lock bit y (y= 0..15).

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK12

Bit 12: Port x lock bit y (y= 0..15).

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK13

Bit 13: Port x lock bit y (y= 0..15).

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK14

Bit 14: Port x lock bit y (y= 0..15).

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK15

Bit 15: Port x lock bit y (y= 0..15).

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCKK

Bit 16: Port x lock bit y (y= 0..15).

Allowed values:
0: NotActive: Port configuration lock key not active
1: Active: Port configuration lock key active

AFRL

GPIO alternate function low register

Offset: 0x20, reset: 0x00000000, access: read-write

8/8 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
AFRL7 rw				AFRL6 rw				AFRL5 rw				AFRL4 rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
AFRL3 rw				AFRL2 rw				AFRL1 rw				AFRL0 rw

Toggle Fields

AFRL0

Bits 0-3: Alternate function selection for port x bit y (y = 0..7).

Allowed values:
0: AF0: AF0
1: AF1: AF1
2: AF2: AF2
3: AF3: AF3
4: AF4: AF4
5: AF5: AF5
6: AF6: AF6
7: AF7: AF7
8: AF8: AF8
9: AF9: AF9
10: AF10: AF10
11: AF11: AF11
12: AF12: AF12
13: AF13: AF13
14: AF14: AF14
15: AF15: AF15

AFRL1

Bits 4-7: Alternate function selection for port x bit y (y = 0..7).

AFRL2

Bits 8-11: Alternate function selection for port x bit y (y = 0..7).

AFRL3

Bits 12-15: Alternate function selection for port x bit y (y = 0..7).

AFRL4

Bits 16-19: Alternate function selection for port x bit y (y = 0..7).

AFRL5

Bits 20-23: Alternate function selection for port x bit y (y = 0..7).

AFRL6

Bits 24-27: Alternate function selection for port x bit y (y = 0..7).

AFRL7

Bits 28-31: Alternate function selection for port x bit y (y = 0..7).

AFRH

GPIO alternate function high register

Offset: 0x24, reset: 0x00000000, access: read-write

8/8 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
AFRH15 rw				AFRH14 rw				AFRH13 rw				AFRH12 rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
AFRH11 rw				AFRH10 rw				AFRH9 rw				AFRH8 rw

Toggle Fields

AFRH8

Bits 0-3: Alternate function selection for port x bit y (y = 8..15).

AFRH9

Bits 4-7: Alternate function selection for port x bit y (y = 8..15).

AFRH10

Bits 8-11: Alternate function selection for port x bit y (y = 8..15).

AFRH11

Bits 12-15: Alternate function selection for port x bit y (y = 8..15).

AFRH12

Bits 16-19: Alternate function selection for port x bit y (y = 8..15).

AFRH13

Bits 20-23: Alternate function selection for port x bit y (y = 8..15).

AFRH14

Bits 24-27: Alternate function selection for port x bit y (y = 8..15).

AFRH15

Bits 28-31: Alternate function selection for port x bit y (y = 8..15).

GPIOB

0x40020400: General-purpose I/Os

161/161 fields covered. Toggle Registers

Show register map

Offset	Name	31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16	15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
0x0	MODER	MODER15		MODER14		MODER13		MODER12		MODER11		MODER10		MODER9		MODER8		MODER7		MODER6		MODER5		MODER4		MODER3		MODER2		MODER1		MODER0
0x4	OTYPER																	OT15	OT14	OT13	OT12	OT11	OT10	OT9	OT8	OT7	OT6	OT5	OT4	OT3	OT2	OT1	OT0
0x8	OSPEEDR	OSPEEDR15		OSPEEDR14		OSPEEDR13		OSPEEDR12		OSPEEDR11		OSPEEDR10		OSPEEDR9		OSPEEDR8		OSPEEDR7		OSPEEDR6		OSPEEDR5		OSPEEDR4		OSPEEDR3		OSPEEDR2		OSPEEDR1		OSPEEDR0
0xc	PUPDR	PUPDR15		PUPDR14		PUPDR13		PUPDR12		PUPDR11		PUPDR10		PUPDR9		PUPDR8		PUPDR7		PUPDR6		PUPDR5		PUPDR4		PUPDR3		PUPDR2		PUPDR1		PUPDR0
0x10	IDR																	IDR15	IDR14	IDR13	IDR12	IDR11	IDR10	IDR9	IDR8	IDR7	IDR6	IDR5	IDR4	IDR3	IDR2	IDR1	IDR0
0x14	ODR																	ODR15	ODR14	ODR13	ODR12	ODR11	ODR10	ODR9	ODR8	ODR7	ODR6	ODR5	ODR4	ODR3	ODR2	ODR1	ODR0
0x18	BSRR	BR15	BR14	BR13	BR12	BR11	BR10	BR9	BR8	BR7	BR6	BR5	BR4	BR3	BR2	BR1	BR0	BS15	BS14	BS13	BS12	BS11	BS10	BS9	BS8	BS7	BS6	BS5	BS4	BS3	BS2	BS1	BS0
0x1c	LCKR																LCKK	LCK15	LCK14	LCK13	LCK12	LCK11	LCK10	LCK9	LCK8	LCK7	LCK6	LCK5	LCK4	LCK3	LCK2	LCK1	LCK0
0x20	AFRL	AFRL7				AFRL6				AFRL5				AFRL4				AFRL3				AFRL2				AFRL1				AFRL0
0x24	AFRH	AFRH15				AFRH14				AFRH13				AFRH12				AFRH11				AFRH10				AFRH9				AFRH8

MODER

GPIO port mode register

Offset: 0x0, reset: 0x00000280, access: read-write

16/16 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
MODER15 rw		MODER14 rw		MODER13 rw		MODER12 rw		MODER11 rw		MODER10 rw		MODER9 rw		MODER8 rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
MODER7 rw		MODER6 rw		MODER5 rw		MODER4 rw		MODER3 rw		MODER2 rw		MODER1 rw		MODER0 rw

Toggle Fields

MODER0

Bits 0-1: Port x configuration bits (y = 0..15).

Allowed values:
0: Input: Input mode (reset state)
1: Output: General purpose output mode
2: Alternate: Alternate function mode
3: Analog: Analog mode

MODER1

Bits 2-3: Port x configuration bits (y = 0..15).

Allowed values:
0: Input: Input mode (reset state)
1: Output: General purpose output mode
2: Alternate: Alternate function mode
3: Analog: Analog mode

MODER2

Bits 4-5: Port x configuration bits (y = 0..15).

Allowed values:
0: Input: Input mode (reset state)
1: Output: General purpose output mode
2: Alternate: Alternate function mode
3: Analog: Analog mode

MODER3

Bits 6-7: Port x configuration bits (y = 0..15).

Allowed values:
0: Input: Input mode (reset state)
1: Output: General purpose output mode
2: Alternate: Alternate function mode
3: Analog: Analog mode

MODER4

Bits 8-9: Port x configuration bits (y = 0..15).

Allowed values:
0: Input: Input mode (reset state)
1: Output: General purpose output mode
2: Alternate: Alternate function mode
3: Analog: Analog mode

MODER5

Bits 10-11: Port x configuration bits (y = 0..15).

Allowed values:
0: Input: Input mode (reset state)
1: Output: General purpose output mode
2: Alternate: Alternate function mode
3: Analog: Analog mode

MODER6

Bits 12-13: Port x configuration bits (y = 0..15).

Allowed values:
0: Input: Input mode (reset state)
1: Output: General purpose output mode
2: Alternate: Alternate function mode
3: Analog: Analog mode

MODER7

Bits 14-15: Port x configuration bits (y = 0..15).

Allowed values:
0: Input: Input mode (reset state)
1: Output: General purpose output mode
2: Alternate: Alternate function mode
3: Analog: Analog mode

MODER8

Bits 16-17: Port x configuration bits (y = 0..15).

Allowed values:
0: Input: Input mode (reset state)
1: Output: General purpose output mode
2: Alternate: Alternate function mode
3: Analog: Analog mode

MODER9

Bits 18-19: Port x configuration bits (y = 0..15).

Allowed values:
0: Input: Input mode (reset state)
1: Output: General purpose output mode
2: Alternate: Alternate function mode
3: Analog: Analog mode

MODER10

Bits 20-21: Port x configuration bits (y = 0..15).

Allowed values:
0: Input: Input mode (reset state)
1: Output: General purpose output mode
2: Alternate: Alternate function mode
3: Analog: Analog mode

MODER11

Bits 22-23: Port x configuration bits (y = 0..15).

Allowed values:
0: Input: Input mode (reset state)
1: Output: General purpose output mode
2: Alternate: Alternate function mode
3: Analog: Analog mode

MODER12

Bits 24-25: Port x configuration bits (y = 0..15).

Allowed values:
0: Input: Input mode (reset state)
1: Output: General purpose output mode
2: Alternate: Alternate function mode
3: Analog: Analog mode

MODER13

Bits 26-27: Port x configuration bits (y = 0..15).

Allowed values:
0: Input: Input mode (reset state)
1: Output: General purpose output mode
2: Alternate: Alternate function mode
3: Analog: Analog mode

MODER14

Bits 28-29: Port x configuration bits (y = 0..15).

Allowed values:
0: Input: Input mode (reset state)
1: Output: General purpose output mode
2: Alternate: Alternate function mode
3: Analog: Analog mode

MODER15

Bits 30-31: Port x configuration bits (y = 0..15).

Allowed values:
0: Input: Input mode (reset state)
1: Output: General purpose output mode
2: Alternate: Alternate function mode
3: Analog: Analog mode

OTYPER

GPIO port output type register

Offset: 0x4, reset: 0x00000000, access: read-write

16/16 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
OT15 rw	OT14 rw	OT13 rw	OT12 rw	OT11 rw	OT10 rw	OT9 rw	OT8 rw	OT7 rw	OT6 rw	OT5 rw	OT4 rw	OT3 rw	OT2 rw	OT1 rw	OT0 rw

Toggle Fields

OT0

Bit 0: Port x configuration bits (y = 0..15).

Allowed values:
0: PushPull: Output push-pull (reset state)
1: OpenDrain: Output open-drain

OT1

Bit 1: Port x configuration bits (y = 0..15).

Allowed values:
0: PushPull: Output push-pull (reset state)
1: OpenDrain: Output open-drain

OT2

Bit 2: Port x configuration bits (y = 0..15).

Allowed values:
0: PushPull: Output push-pull (reset state)
1: OpenDrain: Output open-drain

OT3

Bit 3: Port x configuration bits (y = 0..15).

Allowed values:
0: PushPull: Output push-pull (reset state)
1: OpenDrain: Output open-drain

OT4

Bit 4: Port x configuration bits (y = 0..15).

Allowed values:
0: PushPull: Output push-pull (reset state)
1: OpenDrain: Output open-drain

OT5

Bit 5: Port x configuration bits (y = 0..15).

Allowed values:
0: PushPull: Output push-pull (reset state)
1: OpenDrain: Output open-drain

OT6

Bit 6: Port x configuration bits (y = 0..15).

Allowed values:
0: PushPull: Output push-pull (reset state)
1: OpenDrain: Output open-drain

OT7

Bit 7: Port x configuration bits (y = 0..15).

Allowed values:
0: PushPull: Output push-pull (reset state)
1: OpenDrain: Output open-drain

OT8

Bit 8: Port x configuration bits (y = 0..15).

Allowed values:
0: PushPull: Output push-pull (reset state)
1: OpenDrain: Output open-drain

OT9

Bit 9: Port x configuration bits (y = 0..15).

Allowed values:
0: PushPull: Output push-pull (reset state)
1: OpenDrain: Output open-drain

OT10

Bit 10: Port x configuration bits (y = 0..15).

Allowed values:
0: PushPull: Output push-pull (reset state)
1: OpenDrain: Output open-drain

OT11

Bit 11: Port x configuration bits (y = 0..15).

Allowed values:
0: PushPull: Output push-pull (reset state)
1: OpenDrain: Output open-drain

OT12

Bit 12: Port x configuration bits (y = 0..15).

Allowed values:
0: PushPull: Output push-pull (reset state)
1: OpenDrain: Output open-drain

OT13

Bit 13: Port x configuration bits (y = 0..15).

Allowed values:
0: PushPull: Output push-pull (reset state)
1: OpenDrain: Output open-drain

OT14

Bit 14: Port x configuration bits (y = 0..15).

Allowed values:
0: PushPull: Output push-pull (reset state)
1: OpenDrain: Output open-drain

OT15

Bit 15: Port x configuration bits (y = 0..15).

Allowed values:
0: PushPull: Output push-pull (reset state)
1: OpenDrain: Output open-drain

OSPEEDR

GPIO port output speed register

Offset: 0x8, reset: 0x000000C0, access: read-write

16/16 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
OSPEEDR15 rw		OSPEEDR14 rw		OSPEEDR13 rw		OSPEEDR12 rw		OSPEEDR11 rw		OSPEEDR10 rw		OSPEEDR9 rw		OSPEEDR8 rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
OSPEEDR7 rw		OSPEEDR6 rw		OSPEEDR5 rw		OSPEEDR4 rw		OSPEEDR3 rw		OSPEEDR2 rw		OSPEEDR1 rw		OSPEEDR0 rw

Toggle Fields

OSPEEDR0

Bits 0-1: Port x configuration bits (y = 0..15).

Allowed values:
0: LowSpeed: Low speed
1: MediumSpeed: Medium speed
2: HighSpeed: High speed
3: VeryHighSpeed: Very high speed

OSPEEDR1

Bits 2-3: Port x configuration bits (y = 0..15).

Allowed values:
0: LowSpeed: Low speed
1: MediumSpeed: Medium speed
2: HighSpeed: High speed
3: VeryHighSpeed: Very high speed

OSPEEDR2

Bits 4-5: Port x configuration bits (y = 0..15).

Allowed values:
0: LowSpeed: Low speed
1: MediumSpeed: Medium speed
2: HighSpeed: High speed
3: VeryHighSpeed: Very high speed

OSPEEDR3

Bits 6-7: Port x configuration bits (y = 0..15).

Allowed values:
0: LowSpeed: Low speed
1: MediumSpeed: Medium speed
2: HighSpeed: High speed
3: VeryHighSpeed: Very high speed

OSPEEDR4

Bits 8-9: Port x configuration bits (y = 0..15).

Allowed values:
0: LowSpeed: Low speed
1: MediumSpeed: Medium speed
2: HighSpeed: High speed
3: VeryHighSpeed: Very high speed

OSPEEDR5

Bits 10-11: Port x configuration bits (y = 0..15).

Allowed values:
0: LowSpeed: Low speed
1: MediumSpeed: Medium speed
2: HighSpeed: High speed
3: VeryHighSpeed: Very high speed

OSPEEDR6

Bits 12-13: Port x configuration bits (y = 0..15).

Allowed values:
0: LowSpeed: Low speed
1: MediumSpeed: Medium speed
2: HighSpeed: High speed
3: VeryHighSpeed: Very high speed

OSPEEDR7

Bits 14-15: Port x configuration bits (y = 0..15).

Allowed values:
0: LowSpeed: Low speed
1: MediumSpeed: Medium speed
2: HighSpeed: High speed
3: VeryHighSpeed: Very high speed

OSPEEDR8

Bits 16-17: Port x configuration bits (y = 0..15).

Allowed values:
0: LowSpeed: Low speed
1: MediumSpeed: Medium speed
2: HighSpeed: High speed
3: VeryHighSpeed: Very high speed

OSPEEDR9

Bits 18-19: Port x configuration bits (y = 0..15).

Allowed values:
0: LowSpeed: Low speed
1: MediumSpeed: Medium speed
2: HighSpeed: High speed
3: VeryHighSpeed: Very high speed

OSPEEDR10

Bits 20-21: Port x configuration bits (y = 0..15).

Allowed values:
0: LowSpeed: Low speed
1: MediumSpeed: Medium speed
2: HighSpeed: High speed
3: VeryHighSpeed: Very high speed

OSPEEDR11

Bits 22-23: Port x configuration bits (y = 0..15).

Allowed values:
0: LowSpeed: Low speed
1: MediumSpeed: Medium speed
2: HighSpeed: High speed
3: VeryHighSpeed: Very high speed

OSPEEDR12

Bits 24-25: Port x configuration bits (y = 0..15).

Allowed values:
0: LowSpeed: Low speed
1: MediumSpeed: Medium speed
2: HighSpeed: High speed
3: VeryHighSpeed: Very high speed

OSPEEDR13

Bits 26-27: Port x configuration bits (y = 0..15).

Allowed values:
0: LowSpeed: Low speed
1: MediumSpeed: Medium speed
2: HighSpeed: High speed
3: VeryHighSpeed: Very high speed

OSPEEDR14

Bits 28-29: Port x configuration bits (y = 0..15).

Allowed values:
0: LowSpeed: Low speed
1: MediumSpeed: Medium speed
2: HighSpeed: High speed
3: VeryHighSpeed: Very high speed

OSPEEDR15

Bits 30-31: Port x configuration bits (y = 0..15).

Allowed values:
0: LowSpeed: Low speed
1: MediumSpeed: Medium speed
2: HighSpeed: High speed
3: VeryHighSpeed: Very high speed

PUPDR

GPIO port pull-up/pull-down register

Offset: 0xc, reset: 0x00000100, access: read-write

16/16 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
PUPDR15 rw		PUPDR14 rw		PUPDR13 rw		PUPDR12 rw		PUPDR11 rw		PUPDR10 rw		PUPDR9 rw		PUPDR8 rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
PUPDR7 rw		PUPDR6 rw		PUPDR5 rw		PUPDR4 rw		PUPDR3 rw		PUPDR2 rw		PUPDR1 rw		PUPDR0 rw

Toggle Fields

PUPDR0

Bits 0-1: Port x configuration bits (y = 0..15).

Allowed values:
0: Floating: No pull-up, pull-down
1: PullUp: Pull-up
2: PullDown: Pull-down

PUPDR1

Bits 2-3: Port x configuration bits (y = 0..15).

Allowed values:
0: Floating: No pull-up, pull-down
1: PullUp: Pull-up
2: PullDown: Pull-down

PUPDR2

Bits 4-5: Port x configuration bits (y = 0..15).

Allowed values:
0: Floating: No pull-up, pull-down
1: PullUp: Pull-up
2: PullDown: Pull-down

PUPDR3

Bits 6-7: Port x configuration bits (y = 0..15).

Allowed values:
0: Floating: No pull-up, pull-down
1: PullUp: Pull-up
2: PullDown: Pull-down

PUPDR4

Bits 8-9: Port x configuration bits (y = 0..15).

Allowed values:
0: Floating: No pull-up, pull-down
1: PullUp: Pull-up
2: PullDown: Pull-down

PUPDR5

Bits 10-11: Port x configuration bits (y = 0..15).

Allowed values:
0: Floating: No pull-up, pull-down
1: PullUp: Pull-up
2: PullDown: Pull-down

PUPDR6

Bits 12-13: Port x configuration bits (y = 0..15).

Allowed values:
0: Floating: No pull-up, pull-down
1: PullUp: Pull-up
2: PullDown: Pull-down

PUPDR7

Bits 14-15: Port x configuration bits (y = 0..15).

Allowed values:
0: Floating: No pull-up, pull-down
1: PullUp: Pull-up
2: PullDown: Pull-down

PUPDR8

Bits 16-17: Port x configuration bits (y = 0..15).

Allowed values:
0: Floating: No pull-up, pull-down
1: PullUp: Pull-up
2: PullDown: Pull-down

PUPDR9

Bits 18-19: Port x configuration bits (y = 0..15).

Allowed values:
0: Floating: No pull-up, pull-down
1: PullUp: Pull-up
2: PullDown: Pull-down

PUPDR10

Bits 20-21: Port x configuration bits (y = 0..15).

Allowed values:
0: Floating: No pull-up, pull-down
1: PullUp: Pull-up
2: PullDown: Pull-down

PUPDR11

Bits 22-23: Port x configuration bits (y = 0..15).

Allowed values:
0: Floating: No pull-up, pull-down
1: PullUp: Pull-up
2: PullDown: Pull-down

PUPDR12

Bits 24-25: Port x configuration bits (y = 0..15).

Allowed values:
0: Floating: No pull-up, pull-down
1: PullUp: Pull-up
2: PullDown: Pull-down

PUPDR13

Bits 26-27: Port x configuration bits (y = 0..15).

Allowed values:
0: Floating: No pull-up, pull-down
1: PullUp: Pull-up
2: PullDown: Pull-down

PUPDR14

Bits 28-29: Port x configuration bits (y = 0..15).

Allowed values:
0: Floating: No pull-up, pull-down
1: PullUp: Pull-up
2: PullDown: Pull-down

PUPDR15

Bits 30-31: Port x configuration bits (y = 0..15).

Allowed values:
0: Floating: No pull-up, pull-down
1: PullUp: Pull-up
2: PullDown: Pull-down

IDR

GPIO port input data register

Offset: 0x10, reset: 0x00000000, access: read-only

16/16 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
IDR15 r	IDR14 r	IDR13 r	IDR12 r	IDR11 r	IDR10 r	IDR9 r	IDR8 r	IDR7 r	IDR6 r	IDR5 r	IDR4 r	IDR3 r	IDR2 r	IDR1 r	IDR0 r

Toggle Fields

IDR0

Bit 0: Port input data (y = 0..15).

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR1

Bit 1: Port input data (y = 0..15).

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR2

Bit 2: Port input data (y = 0..15).

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR3

Bit 3: Port input data (y = 0..15).

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR4

Bit 4: Port input data (y = 0..15).

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR5

Bit 5: Port input data (y = 0..15).

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR6

Bit 6: Port input data (y = 0..15).

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR7

Bit 7: Port input data (y = 0..15).

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR8

Bit 8: Port input data (y = 0..15).

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR9

Bit 9: Port input data (y = 0..15).

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR10

Bit 10: Port input data (y = 0..15).

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR11

Bit 11: Port input data (y = 0..15).

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR12

Bit 12: Port input data (y = 0..15).

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR13

Bit 13: Port input data (y = 0..15).

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR14

Bit 14: Port input data (y = 0..15).

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR15

Bit 15: Port input data (y = 0..15).

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

ODR

GPIO port output data register

Offset: 0x14, reset: 0x00000000, access: read-write

16/16 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
ODR15 rw	ODR14 rw	ODR13 rw	ODR12 rw	ODR11 rw	ODR10 rw	ODR9 rw	ODR8 rw	ODR7 rw	ODR6 rw	ODR5 rw	ODR4 rw	ODR3 rw	ODR2 rw	ODR1 rw	ODR0 rw

Toggle Fields

ODR0

Bit 0: Port output data (y = 0..15).

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR1

Bit 1: Port output data (y = 0..15).

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR2

Bit 2: Port output data (y = 0..15).

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR3

Bit 3: Port output data (y = 0..15).

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR4

Bit 4: Port output data (y = 0..15).

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR5

Bit 5: Port output data (y = 0..15).

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR6

Bit 6: Port output data (y = 0..15).

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR7

Bit 7: Port output data (y = 0..15).

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR8

Bit 8: Port output data (y = 0..15).

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR9

Bit 9: Port output data (y = 0..15).

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR10

Bit 10: Port output data (y = 0..15).

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR11

Bit 11: Port output data (y = 0..15).

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR12

Bit 12: Port output data (y = 0..15).

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR13

Bit 13: Port output data (y = 0..15).

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR14

Bit 14: Port output data (y = 0..15).

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR15

Bit 15: Port output data (y = 0..15).

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

BSRR

GPIO port bit set/reset register

Offset: 0x18, reset: 0x00000000, access: write-only

32/32 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
BR15 w	BR14 w	BR13 w	BR12 w	BR11 w	BR10 w	BR9 w	BR8 w	BR7 w	BR6 w	BR5 w	BR4 w	BR3 w	BR2 w	BR1 w	BR0 w
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
BS15 w	BS14 w	BS13 w	BS12 w	BS11 w	BS10 w	BS9 w	BS8 w	BS7 w	BS6 w	BS5 w	BS4 w	BS3 w	BS2 w	BS1 w	BS0 w

Toggle Fields

BS0

Bit 0: Port x set bit y (y= 0..15).

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS1

Bit 1: Port x set bit y (y= 0..15).

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS2

Bit 2: Port x set bit y (y= 0..15).

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS3

Bit 3: Port x set bit y (y= 0..15).

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS4

Bit 4: Port x set bit y (y= 0..15).

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS5

Bit 5: Port x set bit y (y= 0..15).

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS6

Bit 6: Port x set bit y (y= 0..15).

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS7

Bit 7: Port x set bit y (y= 0..15).

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS8

Bit 8: Port x set bit y (y= 0..15).

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS9

Bit 9: Port x set bit y (y= 0..15).

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS10

Bit 10: Port x set bit y (y= 0..15).

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS11

Bit 11: Port x set bit y (y= 0..15).

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS12

Bit 12: Port x set bit y (y= 0..15).

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS13

Bit 13: Port x set bit y (y= 0..15).

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS14

Bit 14: Port x set bit y (y= 0..15).

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS15

Bit 15: Port x set bit y (y= 0..15).

Allowed values:
1: Set: Sets the corresponding ODRx bit

BR0

Bit 16: Port x set bit y (y= 0..15).

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR1

Bit 17: Port x reset bit y (y = 0..15).

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR2

Bit 18: Port x reset bit y (y = 0..15).

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR3

Bit 19: Port x reset bit y (y = 0..15).

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR4

Bit 20: Port x reset bit y (y = 0..15).

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR5

Bit 21: Port x reset bit y (y = 0..15).

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR6

Bit 22: Port x reset bit y (y = 0..15).

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR7

Bit 23: Port x reset bit y (y = 0..15).

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR8

Bit 24: Port x reset bit y (y = 0..15).

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR9

Bit 25: Port x reset bit y (y = 0..15).

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR10

Bit 26: Port x reset bit y (y = 0..15).

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR11

Bit 27: Port x reset bit y (y = 0..15).

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR12

Bit 28: Port x reset bit y (y = 0..15).

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR13

Bit 29: Port x reset bit y (y = 0..15).

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR14

Bit 30: Port x reset bit y (y = 0..15).

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR15

Bit 31: Port x reset bit y (y = 0..15).

Allowed values:
1: Reset: Resets the corresponding ODRx bit

LCKR

GPIO port configuration lock register

Offset: 0x1c, reset: 0x00000000, access: read-write

17/17 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
															LCKK rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
LCK15 rw	LCK14 rw	LCK13 rw	LCK12 rw	LCK11 rw	LCK10 rw	LCK9 rw	LCK8 rw	LCK7 rw	LCK6 rw	LCK5 rw	LCK4 rw	LCK3 rw	LCK2 rw	LCK1 rw	LCK0 rw

Toggle Fields

LCK0

Bit 0: Port x lock bit y (y= 0..15).

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK1

Bit 1: Port x lock bit y (y= 0..15).

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK2

Bit 2: Port x lock bit y (y= 0..15).

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK3

Bit 3: Port x lock bit y (y= 0..15).

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK4

Bit 4: Port x lock bit y (y= 0..15).

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK5

Bit 5: Port x lock bit y (y= 0..15).

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK6

Bit 6: Port x lock bit y (y= 0..15).

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK7

Bit 7: Port x lock bit y (y= 0..15).

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK8

Bit 8: Port x lock bit y (y= 0..15).

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK9

Bit 9: Port x lock bit y (y= 0..15).

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK10

Bit 10: Port x lock bit y (y= 0..15).

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK11

Bit 11: Port x lock bit y (y= 0..15).

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK12

Bit 12: Port x lock bit y (y= 0..15).

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK13

Bit 13: Port x lock bit y (y= 0..15).

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK14

Bit 14: Port x lock bit y (y= 0..15).

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK15

Bit 15: Port x lock bit y (y= 0..15).

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCKK

Bit 16: Port x lock bit y (y= 0..15).

Allowed values:
0: NotActive: Port configuration lock key not active
1: Active: Port configuration lock key active

AFRL

GPIO alternate function low register

Offset: 0x20, reset: 0x00000000, access: read-write

8/8 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
AFRL7 rw				AFRL6 rw				AFRL5 rw				AFRL4 rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
AFRL3 rw				AFRL2 rw				AFRL1 rw				AFRL0 rw

Toggle Fields

AFRL0

Bits 0-3: Alternate function selection for port x bit y (y = 0..7).

AFRL1

Bits 4-7: Alternate function selection for port x bit y (y = 0..7).

AFRL2

Bits 8-11: Alternate function selection for port x bit y (y = 0..7).

AFRL3

Bits 12-15: Alternate function selection for port x bit y (y = 0..7).

AFRL4

Bits 16-19: Alternate function selection for port x bit y (y = 0..7).

AFRL5

Bits 20-23: Alternate function selection for port x bit y (y = 0..7).

AFRL6

Bits 24-27: Alternate function selection for port x bit y (y = 0..7).

AFRL7

Bits 28-31: Alternate function selection for port x bit y (y = 0..7).

AFRH

GPIO alternate function high register

Offset: 0x24, reset: 0x00000000, access: read-write

8/8 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
AFRH15 rw				AFRH14 rw				AFRH13 rw				AFRH12 rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
AFRH11 rw				AFRH10 rw				AFRH9 rw				AFRH8 rw

Toggle Fields

AFRH8

Bits 0-3: Alternate function selection for port x bit y (y = 8..15).

AFRH9

Bits 4-7: Alternate function selection for port x bit y (y = 8..15).

AFRH10

Bits 8-11: Alternate function selection for port x bit y (y = 8..15).

AFRH11

Bits 12-15: Alternate function selection for port x bit y (y = 8..15).

AFRH12

Bits 16-19: Alternate function selection for port x bit y (y = 8..15).

AFRH13

Bits 20-23: Alternate function selection for port x bit y (y = 8..15).

AFRH14

Bits 24-27: Alternate function selection for port x bit y (y = 8..15).

AFRH15

Bits 28-31: Alternate function selection for port x bit y (y = 8..15).

GPIOC

0x40020800: General-purpose I/Os

161/161 fields covered. Toggle Registers

Show register map

Offset	Name	31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16	15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
0x0	MODER	MODER15		MODER14		MODER13		MODER12		MODER11		MODER10		MODER9		MODER8		MODER7		MODER6		MODER5		MODER4		MODER3		MODER2		MODER1		MODER0
0x4	OTYPER																	OT15	OT14	OT13	OT12	OT11	OT10	OT9	OT8	OT7	OT6	OT5	OT4	OT3	OT2	OT1	OT0
0x8	OSPEEDR	OSPEEDR15		OSPEEDR14		OSPEEDR13		OSPEEDR12		OSPEEDR11		OSPEEDR10		OSPEEDR9		OSPEEDR8		OSPEEDR7		OSPEEDR6		OSPEEDR5		OSPEEDR4		OSPEEDR3		OSPEEDR2		OSPEEDR1		OSPEEDR0
0xc	PUPDR	PUPDR15		PUPDR14		PUPDR13		PUPDR12		PUPDR11		PUPDR10		PUPDR9		PUPDR8		PUPDR7		PUPDR6		PUPDR5		PUPDR4		PUPDR3		PUPDR2		PUPDR1		PUPDR0
0x10	IDR																	IDR15	IDR14	IDR13	IDR12	IDR11	IDR10	IDR9	IDR8	IDR7	IDR6	IDR5	IDR4	IDR3	IDR2	IDR1	IDR0
0x14	ODR																	ODR15	ODR14	ODR13	ODR12	ODR11	ODR10	ODR9	ODR8	ODR7	ODR6	ODR5	ODR4	ODR3	ODR2	ODR1	ODR0
0x18	BSRR	BR15	BR14	BR13	BR12	BR11	BR10	BR9	BR8	BR7	BR6	BR5	BR4	BR3	BR2	BR1	BR0	BS15	BS14	BS13	BS12	BS11	BS10	BS9	BS8	BS7	BS6	BS5	BS4	BS3	BS2	BS1	BS0
0x1c	LCKR																LCKK	LCK15	LCK14	LCK13	LCK12	LCK11	LCK10	LCK9	LCK8	LCK7	LCK6	LCK5	LCK4	LCK3	LCK2	LCK1	LCK0
0x20	AFRL	AFRL7				AFRL6				AFRL5				AFRL4				AFRL3				AFRL2				AFRL1				AFRL0
0x24	AFRH	AFRH15				AFRH14				AFRH13				AFRH12				AFRH11				AFRH10				AFRH9				AFRH8

MODER

GPIO port mode register

Offset: 0x0, reset: 0x00000000, access: read-write

16/16 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
MODER15 rw		MODER14 rw		MODER13 rw		MODER12 rw		MODER11 rw		MODER10 rw		MODER9 rw		MODER8 rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
MODER7 rw		MODER6 rw		MODER5 rw		MODER4 rw		MODER3 rw		MODER2 rw		MODER1 rw		MODER0 rw

Toggle Fields

MODER0

Bits 0-1: Port x configuration bits (y = 0..15).

Allowed values:
0: Input: Input mode (reset state)
1: Output: General purpose output mode
2: Alternate: Alternate function mode
3: Analog: Analog mode

MODER1

Bits 2-3: Port x configuration bits (y = 0..15).

Allowed values:
0: Input: Input mode (reset state)
1: Output: General purpose output mode
2: Alternate: Alternate function mode
3: Analog: Analog mode

MODER2

Bits 4-5: Port x configuration bits (y = 0..15).

Allowed values:
0: Input: Input mode (reset state)
1: Output: General purpose output mode
2: Alternate: Alternate function mode
3: Analog: Analog mode

MODER3

Bits 6-7: Port x configuration bits (y = 0..15).

Allowed values:
0: Input: Input mode (reset state)
1: Output: General purpose output mode
2: Alternate: Alternate function mode
3: Analog: Analog mode

MODER4

Bits 8-9: Port x configuration bits (y = 0..15).

Allowed values:
0: Input: Input mode (reset state)
1: Output: General purpose output mode
2: Alternate: Alternate function mode
3: Analog: Analog mode

MODER5

Bits 10-11: Port x configuration bits (y = 0..15).

Allowed values:
0: Input: Input mode (reset state)
1: Output: General purpose output mode
2: Alternate: Alternate function mode
3: Analog: Analog mode

MODER6

Bits 12-13: Port x configuration bits (y = 0..15).

Allowed values:
0: Input: Input mode (reset state)
1: Output: General purpose output mode
2: Alternate: Alternate function mode
3: Analog: Analog mode

MODER7

Bits 14-15: Port x configuration bits (y = 0..15).

Allowed values:
0: Input: Input mode (reset state)
1: Output: General purpose output mode
2: Alternate: Alternate function mode
3: Analog: Analog mode

MODER8

Bits 16-17: Port x configuration bits (y = 0..15).

Allowed values:
0: Input: Input mode (reset state)
1: Output: General purpose output mode
2: Alternate: Alternate function mode
3: Analog: Analog mode

MODER9

Bits 18-19: Port x configuration bits (y = 0..15).

Allowed values:
0: Input: Input mode (reset state)
1: Output: General purpose output mode
2: Alternate: Alternate function mode
3: Analog: Analog mode

MODER10

Bits 20-21: Port x configuration bits (y = 0..15).

Allowed values:
0: Input: Input mode (reset state)
1: Output: General purpose output mode
2: Alternate: Alternate function mode
3: Analog: Analog mode

MODER11

Bits 22-23: Port x configuration bits (y = 0..15).

Allowed values:
0: Input: Input mode (reset state)
1: Output: General purpose output mode
2: Alternate: Alternate function mode
3: Analog: Analog mode

MODER12

Bits 24-25: Port x configuration bits (y = 0..15).

Allowed values:
0: Input: Input mode (reset state)
1: Output: General purpose output mode
2: Alternate: Alternate function mode
3: Analog: Analog mode

MODER13

Bits 26-27: Port x configuration bits (y = 0..15).

Allowed values:
0: Input: Input mode (reset state)
1: Output: General purpose output mode
2: Alternate: Alternate function mode
3: Analog: Analog mode

MODER14

Bits 28-29: Port x configuration bits (y = 0..15).

Allowed values:
0: Input: Input mode (reset state)
1: Output: General purpose output mode
2: Alternate: Alternate function mode
3: Analog: Analog mode

MODER15

Bits 30-31: Port x configuration bits (y = 0..15).

Allowed values:
0: Input: Input mode (reset state)
1: Output: General purpose output mode
2: Alternate: Alternate function mode
3: Analog: Analog mode

OTYPER

GPIO port output type register

Offset: 0x4, reset: 0x00000000, access: read-write

16/16 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
OT15 rw	OT14 rw	OT13 rw	OT12 rw	OT11 rw	OT10 rw	OT9 rw	OT8 rw	OT7 rw	OT6 rw	OT5 rw	OT4 rw	OT3 rw	OT2 rw	OT1 rw	OT0 rw

Toggle Fields

OT0

Bit 0: Port x configuration bits (y = 0..15).

Allowed values:
0: PushPull: Output push-pull (reset state)
1: OpenDrain: Output open-drain

OT1

Bit 1: Port x configuration bits (y = 0..15).

Allowed values:
0: PushPull: Output push-pull (reset state)
1: OpenDrain: Output open-drain

OT2

Bit 2: Port x configuration bits (y = 0..15).

Allowed values:
0: PushPull: Output push-pull (reset state)
1: OpenDrain: Output open-drain

OT3

Bit 3: Port x configuration bits (y = 0..15).

Allowed values:
0: PushPull: Output push-pull (reset state)
1: OpenDrain: Output open-drain

OT4

Bit 4: Port x configuration bits (y = 0..15).

Allowed values:
0: PushPull: Output push-pull (reset state)
1: OpenDrain: Output open-drain

OT5

Bit 5: Port x configuration bits (y = 0..15).

Allowed values:
0: PushPull: Output push-pull (reset state)
1: OpenDrain: Output open-drain

OT6

Bit 6: Port x configuration bits (y = 0..15).

Allowed values:
0: PushPull: Output push-pull (reset state)
1: OpenDrain: Output open-drain

OT7

Bit 7: Port x configuration bits (y = 0..15).

Allowed values:
0: PushPull: Output push-pull (reset state)
1: OpenDrain: Output open-drain

OT8

Bit 8: Port x configuration bits (y = 0..15).

Allowed values:
0: PushPull: Output push-pull (reset state)
1: OpenDrain: Output open-drain

OT9

Bit 9: Port x configuration bits (y = 0..15).

Allowed values:
0: PushPull: Output push-pull (reset state)
1: OpenDrain: Output open-drain

OT10

Bit 10: Port x configuration bits (y = 0..15).

Allowed values:
0: PushPull: Output push-pull (reset state)
1: OpenDrain: Output open-drain

OT11

Bit 11: Port x configuration bits (y = 0..15).

Allowed values:
0: PushPull: Output push-pull (reset state)
1: OpenDrain: Output open-drain

OT12

Bit 12: Port x configuration bits (y = 0..15).

Allowed values:
0: PushPull: Output push-pull (reset state)
1: OpenDrain: Output open-drain

OT13

Bit 13: Port x configuration bits (y = 0..15).

Allowed values:
0: PushPull: Output push-pull (reset state)
1: OpenDrain: Output open-drain

OT14

Bit 14: Port x configuration bits (y = 0..15).

Allowed values:
0: PushPull: Output push-pull (reset state)
1: OpenDrain: Output open-drain

OT15

Bit 15: Port x configuration bits (y = 0..15).

Allowed values:
0: PushPull: Output push-pull (reset state)
1: OpenDrain: Output open-drain

OSPEEDR

GPIO port output speed register

Offset: 0x8, reset: 0x00000000, access: read-write

16/16 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
OSPEEDR15 rw		OSPEEDR14 rw		OSPEEDR13 rw		OSPEEDR12 rw		OSPEEDR11 rw		OSPEEDR10 rw		OSPEEDR9 rw		OSPEEDR8 rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
OSPEEDR7 rw		OSPEEDR6 rw		OSPEEDR5 rw		OSPEEDR4 rw		OSPEEDR3 rw		OSPEEDR2 rw		OSPEEDR1 rw		OSPEEDR0 rw

Toggle Fields

OSPEEDR0

Bits 0-1: Port x configuration bits (y = 0..15).

Allowed values:
0: LowSpeed: Low speed
1: MediumSpeed: Medium speed
2: HighSpeed: High speed
3: VeryHighSpeed: Very high speed

OSPEEDR1

Bits 2-3: Port x configuration bits (y = 0..15).

Allowed values:
0: LowSpeed: Low speed
1: MediumSpeed: Medium speed
2: HighSpeed: High speed
3: VeryHighSpeed: Very high speed

OSPEEDR2

Bits 4-5: Port x configuration bits (y = 0..15).

Allowed values:
0: LowSpeed: Low speed
1: MediumSpeed: Medium speed
2: HighSpeed: High speed
3: VeryHighSpeed: Very high speed

OSPEEDR3

Bits 6-7: Port x configuration bits (y = 0..15).

Allowed values:
0: LowSpeed: Low speed
1: MediumSpeed: Medium speed
2: HighSpeed: High speed
3: VeryHighSpeed: Very high speed

OSPEEDR4

Bits 8-9: Port x configuration bits (y = 0..15).

Allowed values:
0: LowSpeed: Low speed
1: MediumSpeed: Medium speed
2: HighSpeed: High speed
3: VeryHighSpeed: Very high speed

OSPEEDR5

Bits 10-11: Port x configuration bits (y = 0..15).

Allowed values:
0: LowSpeed: Low speed
1: MediumSpeed: Medium speed
2: HighSpeed: High speed
3: VeryHighSpeed: Very high speed

OSPEEDR6

Bits 12-13: Port x configuration bits (y = 0..15).

Allowed values:
0: LowSpeed: Low speed
1: MediumSpeed: Medium speed
2: HighSpeed: High speed
3: VeryHighSpeed: Very high speed

OSPEEDR7

Bits 14-15: Port x configuration bits (y = 0..15).

Allowed values:
0: LowSpeed: Low speed
1: MediumSpeed: Medium speed
2: HighSpeed: High speed
3: VeryHighSpeed: Very high speed

OSPEEDR8

Bits 16-17: Port x configuration bits (y = 0..15).

Allowed values:
0: LowSpeed: Low speed
1: MediumSpeed: Medium speed
2: HighSpeed: High speed
3: VeryHighSpeed: Very high speed

OSPEEDR9

Bits 18-19: Port x configuration bits (y = 0..15).

Allowed values:
0: LowSpeed: Low speed
1: MediumSpeed: Medium speed
2: HighSpeed: High speed
3: VeryHighSpeed: Very high speed

OSPEEDR10

Bits 20-21: Port x configuration bits (y = 0..15).

Allowed values:
0: LowSpeed: Low speed
1: MediumSpeed: Medium speed
2: HighSpeed: High speed
3: VeryHighSpeed: Very high speed

OSPEEDR11

Bits 22-23: Port x configuration bits (y = 0..15).

Allowed values:
0: LowSpeed: Low speed
1: MediumSpeed: Medium speed
2: HighSpeed: High speed
3: VeryHighSpeed: Very high speed

OSPEEDR12

Bits 24-25: Port x configuration bits (y = 0..15).

Allowed values:
0: LowSpeed: Low speed
1: MediumSpeed: Medium speed
2: HighSpeed: High speed
3: VeryHighSpeed: Very high speed

OSPEEDR13

Bits 26-27: Port x configuration bits (y = 0..15).

Allowed values:
0: LowSpeed: Low speed
1: MediumSpeed: Medium speed
2: HighSpeed: High speed
3: VeryHighSpeed: Very high speed

OSPEEDR14

Bits 28-29: Port x configuration bits (y = 0..15).

Allowed values:
0: LowSpeed: Low speed
1: MediumSpeed: Medium speed
2: HighSpeed: High speed
3: VeryHighSpeed: Very high speed

OSPEEDR15

Bits 30-31: Port x configuration bits (y = 0..15).

Allowed values:
0: LowSpeed: Low speed
1: MediumSpeed: Medium speed
2: HighSpeed: High speed
3: VeryHighSpeed: Very high speed

PUPDR

GPIO port pull-up/pull-down register

Offset: 0xc, reset: 0x00000000, access: read-write

16/16 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
PUPDR15 rw		PUPDR14 rw		PUPDR13 rw		PUPDR12 rw		PUPDR11 rw		PUPDR10 rw		PUPDR9 rw		PUPDR8 rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
PUPDR7 rw		PUPDR6 rw		PUPDR5 rw		PUPDR4 rw		PUPDR3 rw		PUPDR2 rw		PUPDR1 rw		PUPDR0 rw

Toggle Fields

PUPDR0

Bits 0-1: Port x configuration bits (y = 0..15).

Allowed values:
0: Floating: No pull-up, pull-down
1: PullUp: Pull-up
2: PullDown: Pull-down

PUPDR1

Bits 2-3: Port x configuration bits (y = 0..15).

Allowed values:
0: Floating: No pull-up, pull-down
1: PullUp: Pull-up
2: PullDown: Pull-down

PUPDR2

Bits 4-5: Port x configuration bits (y = 0..15).

Allowed values:
0: Floating: No pull-up, pull-down
1: PullUp: Pull-up
2: PullDown: Pull-down

PUPDR3

Bits 6-7: Port x configuration bits (y = 0..15).

Allowed values:
0: Floating: No pull-up, pull-down
1: PullUp: Pull-up
2: PullDown: Pull-down

PUPDR4

Bits 8-9: Port x configuration bits (y = 0..15).

Allowed values:
0: Floating: No pull-up, pull-down
1: PullUp: Pull-up
2: PullDown: Pull-down

PUPDR5

Bits 10-11: Port x configuration bits (y = 0..15).

Allowed values:
0: Floating: No pull-up, pull-down
1: PullUp: Pull-up
2: PullDown: Pull-down

PUPDR6

Bits 12-13: Port x configuration bits (y = 0..15).

Allowed values:
0: Floating: No pull-up, pull-down
1: PullUp: Pull-up
2: PullDown: Pull-down

PUPDR7

Bits 14-15: Port x configuration bits (y = 0..15).

Allowed values:
0: Floating: No pull-up, pull-down
1: PullUp: Pull-up
2: PullDown: Pull-down

PUPDR8

Bits 16-17: Port x configuration bits (y = 0..15).

Allowed values:
0: Floating: No pull-up, pull-down
1: PullUp: Pull-up
2: PullDown: Pull-down

PUPDR9

Bits 18-19: Port x configuration bits (y = 0..15).

Allowed values:
0: Floating: No pull-up, pull-down
1: PullUp: Pull-up
2: PullDown: Pull-down

PUPDR10

Bits 20-21: Port x configuration bits (y = 0..15).

Allowed values:
0: Floating: No pull-up, pull-down
1: PullUp: Pull-up
2: PullDown: Pull-down

PUPDR11

Bits 22-23: Port x configuration bits (y = 0..15).

Allowed values:
0: Floating: No pull-up, pull-down
1: PullUp: Pull-up
2: PullDown: Pull-down

PUPDR12

Bits 24-25: Port x configuration bits (y = 0..15).

Allowed values:
0: Floating: No pull-up, pull-down
1: PullUp: Pull-up
2: PullDown: Pull-down

PUPDR13

Bits 26-27: Port x configuration bits (y = 0..15).

Allowed values:
0: Floating: No pull-up, pull-down
1: PullUp: Pull-up
2: PullDown: Pull-down

PUPDR14

Bits 28-29: Port x configuration bits (y = 0..15).

Allowed values:
0: Floating: No pull-up, pull-down
1: PullUp: Pull-up
2: PullDown: Pull-down

PUPDR15

Bits 30-31: Port x configuration bits (y = 0..15).

Allowed values:
0: Floating: No pull-up, pull-down
1: PullUp: Pull-up
2: PullDown: Pull-down

IDR

GPIO port input data register

Offset: 0x10, reset: 0x00000000, access: read-only

16/16 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
IDR15 r	IDR14 r	IDR13 r	IDR12 r	IDR11 r	IDR10 r	IDR9 r	IDR8 r	IDR7 r	IDR6 r	IDR5 r	IDR4 r	IDR3 r	IDR2 r	IDR1 r	IDR0 r

Toggle Fields

IDR0

Bit 0: Port input data (y = 0..15).

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR1

Bit 1: Port input data (y = 0..15).

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR2

Bit 2: Port input data (y = 0..15).

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR3

Bit 3: Port input data (y = 0..15).

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR4

Bit 4: Port input data (y = 0..15).

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR5

Bit 5: Port input data (y = 0..15).

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR6

Bit 6: Port input data (y = 0..15).

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR7

Bit 7: Port input data (y = 0..15).

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR8

Bit 8: Port input data (y = 0..15).

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR9

Bit 9: Port input data (y = 0..15).

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR10

Bit 10: Port input data (y = 0..15).

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR11

Bit 11: Port input data (y = 0..15).

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR12

Bit 12: Port input data (y = 0..15).

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR13

Bit 13: Port input data (y = 0..15).

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR14

Bit 14: Port input data (y = 0..15).

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR15

Bit 15: Port input data (y = 0..15).

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

ODR

GPIO port output data register

Offset: 0x14, reset: 0x00000000, access: read-write

16/16 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
ODR15 rw	ODR14 rw	ODR13 rw	ODR12 rw	ODR11 rw	ODR10 rw	ODR9 rw	ODR8 rw	ODR7 rw	ODR6 rw	ODR5 rw	ODR4 rw	ODR3 rw	ODR2 rw	ODR1 rw	ODR0 rw

Toggle Fields

ODR0

Bit 0: Port output data (y = 0..15).

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR1

Bit 1: Port output data (y = 0..15).

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR2

Bit 2: Port output data (y = 0..15).

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR3

Bit 3: Port output data (y = 0..15).

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR4

Bit 4: Port output data (y = 0..15).

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR5

Bit 5: Port output data (y = 0..15).

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR6

Bit 6: Port output data (y = 0..15).

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR7

Bit 7: Port output data (y = 0..15).

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR8

Bit 8: Port output data (y = 0..15).

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR9

Bit 9: Port output data (y = 0..15).

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR10

Bit 10: Port output data (y = 0..15).

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR11

Bit 11: Port output data (y = 0..15).

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR12

Bit 12: Port output data (y = 0..15).

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR13

Bit 13: Port output data (y = 0..15).

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR14

Bit 14: Port output data (y = 0..15).

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR15

Bit 15: Port output data (y = 0..15).

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

BSRR

GPIO port bit set/reset register

Offset: 0x18, reset: 0x00000000, access: write-only

32/32 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
BR15 w	BR14 w	BR13 w	BR12 w	BR11 w	BR10 w	BR9 w	BR8 w	BR7 w	BR6 w	BR5 w	BR4 w	BR3 w	BR2 w	BR1 w	BR0 w
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
BS15 w	BS14 w	BS13 w	BS12 w	BS11 w	BS10 w	BS9 w	BS8 w	BS7 w	BS6 w	BS5 w	BS4 w	BS3 w	BS2 w	BS1 w	BS0 w

Toggle Fields

BS0

Bit 0: Port x set bit y (y= 0..15).

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS1

Bit 1: Port x set bit y (y= 0..15).

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS2

Bit 2: Port x set bit y (y= 0..15).

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS3

Bit 3: Port x set bit y (y= 0..15).

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS4

Bit 4: Port x set bit y (y= 0..15).

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS5

Bit 5: Port x set bit y (y= 0..15).

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS6

Bit 6: Port x set bit y (y= 0..15).

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS7

Bit 7: Port x set bit y (y= 0..15).

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS8

Bit 8: Port x set bit y (y= 0..15).

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS9

Bit 9: Port x set bit y (y= 0..15).

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS10

Bit 10: Port x set bit y (y= 0..15).

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS11

Bit 11: Port x set bit y (y= 0..15).

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS12

Bit 12: Port x set bit y (y= 0..15).

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS13

Bit 13: Port x set bit y (y= 0..15).

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS14

Bit 14: Port x set bit y (y= 0..15).

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS15

Bit 15: Port x set bit y (y= 0..15).

Allowed values:
1: Set: Sets the corresponding ODRx bit

BR0

Bit 16: Port x set bit y (y= 0..15).

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR1

Bit 17: Port x reset bit y (y = 0..15).

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR2

Bit 18: Port x reset bit y (y = 0..15).

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR3

Bit 19: Port x reset bit y (y = 0..15).

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR4

Bit 20: Port x reset bit y (y = 0..15).

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR5

Bit 21: Port x reset bit y (y = 0..15).

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR6

Bit 22: Port x reset bit y (y = 0..15).

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR7

Bit 23: Port x reset bit y (y = 0..15).

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR8

Bit 24: Port x reset bit y (y = 0..15).

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR9

Bit 25: Port x reset bit y (y = 0..15).

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR10

Bit 26: Port x reset bit y (y = 0..15).

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR11

Bit 27: Port x reset bit y (y = 0..15).

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR12

Bit 28: Port x reset bit y (y = 0..15).

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR13

Bit 29: Port x reset bit y (y = 0..15).

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR14

Bit 30: Port x reset bit y (y = 0..15).

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR15

Bit 31: Port x reset bit y (y = 0..15).

Allowed values:
1: Reset: Resets the corresponding ODRx bit

LCKR

GPIO port configuration lock register

Offset: 0x1c, reset: 0x00000000, access: read-write

17/17 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
															LCKK rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
LCK15 rw	LCK14 rw	LCK13 rw	LCK12 rw	LCK11 rw	LCK10 rw	LCK9 rw	LCK8 rw	LCK7 rw	LCK6 rw	LCK5 rw	LCK4 rw	LCK3 rw	LCK2 rw	LCK1 rw	LCK0 rw

Toggle Fields

LCK0

Bit 0: Port x lock bit y (y= 0..15).

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK1

Bit 1: Port x lock bit y (y= 0..15).

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK2

Bit 2: Port x lock bit y (y= 0..15).

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK3

Bit 3: Port x lock bit y (y= 0..15).

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK4

Bit 4: Port x lock bit y (y= 0..15).

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK5

Bit 5: Port x lock bit y (y= 0..15).

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK6

Bit 6: Port x lock bit y (y= 0..15).

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK7

Bit 7: Port x lock bit y (y= 0..15).

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK8

Bit 8: Port x lock bit y (y= 0..15).

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK9

Bit 9: Port x lock bit y (y= 0..15).

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK10

Bit 10: Port x lock bit y (y= 0..15).

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK11

Bit 11: Port x lock bit y (y= 0..15).

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK12

Bit 12: Port x lock bit y (y= 0..15).

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK13

Bit 13: Port x lock bit y (y= 0..15).

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK14

Bit 14: Port x lock bit y (y= 0..15).

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK15

Bit 15: Port x lock bit y (y= 0..15).

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCKK

Bit 16: Port x lock bit y (y= 0..15).

Allowed values:
0: NotActive: Port configuration lock key not active
1: Active: Port configuration lock key active

AFRL

GPIO alternate function low register

Offset: 0x20, reset: 0x00000000, access: read-write

8/8 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
AFRL7 rw				AFRL6 rw				AFRL5 rw				AFRL4 rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
AFRL3 rw				AFRL2 rw				AFRL1 rw				AFRL0 rw

Toggle Fields

AFRL0

Bits 0-3: Alternate function selection for port x bit y (y = 0..7).

AFRL1

Bits 4-7: Alternate function selection for port x bit y (y = 0..7).

AFRL2

Bits 8-11: Alternate function selection for port x bit y (y = 0..7).

AFRL3

Bits 12-15: Alternate function selection for port x bit y (y = 0..7).

AFRL4

Bits 16-19: Alternate function selection for port x bit y (y = 0..7).

AFRL5

Bits 20-23: Alternate function selection for port x bit y (y = 0..7).

AFRL6

Bits 24-27: Alternate function selection for port x bit y (y = 0..7).

AFRL7

Bits 28-31: Alternate function selection for port x bit y (y = 0..7).

AFRH

GPIO alternate function high register

Offset: 0x24, reset: 0x00000000, access: read-write

8/8 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
AFRH15 rw				AFRH14 rw				AFRH13 rw				AFRH12 rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
AFRH11 rw				AFRH10 rw				AFRH9 rw				AFRH8 rw

Toggle Fields

AFRH8

Bits 0-3: Alternate function selection for port x bit y (y = 8..15).

AFRH9

Bits 4-7: Alternate function selection for port x bit y (y = 8..15).

AFRH10

Bits 8-11: Alternate function selection for port x bit y (y = 8..15).

AFRH11

Bits 12-15: Alternate function selection for port x bit y (y = 8..15).

AFRH12

Bits 16-19: Alternate function selection for port x bit y (y = 8..15).

AFRH13

Bits 20-23: Alternate function selection for port x bit y (y = 8..15).

AFRH14

Bits 24-27: Alternate function selection for port x bit y (y = 8..15).

AFRH15

Bits 28-31: Alternate function selection for port x bit y (y = 8..15).

GPIOH

0x40021c00: General-purpose I/Os

161/161 fields covered. Toggle Registers

Show register map

Offset	Name	31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16	15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
0x0	MODER	MODER15		MODER14		MODER13		MODER12		MODER11		MODER10		MODER9		MODER8		MODER7		MODER6		MODER5		MODER4		MODER3		MODER2		MODER1		MODER0
0x4	OTYPER																	OT15	OT14	OT13	OT12	OT11	OT10	OT9	OT8	OT7	OT6	OT5	OT4	OT3	OT2	OT1	OT0
0x8	OSPEEDR	OSPEEDR15		OSPEEDR14		OSPEEDR13		OSPEEDR12		OSPEEDR11		OSPEEDR10		OSPEEDR9		OSPEEDR8		OSPEEDR7		OSPEEDR6		OSPEEDR5		OSPEEDR4		OSPEEDR3		OSPEEDR2		OSPEEDR1		OSPEEDR0
0xc	PUPDR	PUPDR15		PUPDR14		PUPDR13		PUPDR12		PUPDR11		PUPDR10		PUPDR9		PUPDR8		PUPDR7		PUPDR6		PUPDR5		PUPDR4		PUPDR3		PUPDR2		PUPDR1		PUPDR0
0x10	IDR																	IDR15	IDR14	IDR13	IDR12	IDR11	IDR10	IDR9	IDR8	IDR7	IDR6	IDR5	IDR4	IDR3	IDR2	IDR1	IDR0
0x14	ODR																	ODR15	ODR14	ODR13	ODR12	ODR11	ODR10	ODR9	ODR8	ODR7	ODR6	ODR5	ODR4	ODR3	ODR2	ODR1	ODR0
0x18	BSRR	BR15	BR14	BR13	BR12	BR11	BR10	BR9	BR8	BR7	BR6	BR5	BR4	BR3	BR2	BR1	BR0	BS15	BS14	BS13	BS12	BS11	BS10	BS9	BS8	BS7	BS6	BS5	BS4	BS3	BS2	BS1	BS0
0x1c	LCKR																LCKK	LCK15	LCK14	LCK13	LCK12	LCK11	LCK10	LCK9	LCK8	LCK7	LCK6	LCK5	LCK4	LCK3	LCK2	LCK1	LCK0
0x20	AFRL	AFRL7				AFRL6				AFRL5				AFRL4				AFRL3				AFRL2				AFRL1				AFRL0
0x24	AFRH	AFRH15				AFRH14				AFRH13				AFRH12				AFRH11				AFRH10				AFRH9				AFRH8

MODER

GPIO port mode register

Offset: 0x0, reset: 0x00000000, access: read-write

16/16 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
MODER15 rw		MODER14 rw		MODER13 rw		MODER12 rw		MODER11 rw		MODER10 rw		MODER9 rw		MODER8 rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
MODER7 rw		MODER6 rw		MODER5 rw		MODER4 rw		MODER3 rw		MODER2 rw		MODER1 rw		MODER0 rw

Toggle Fields

MODER0

Bits 0-1: Port x configuration bits (y = 0..15).

Allowed values:
0: Input: Input mode (reset state)
1: Output: General purpose output mode
2: Alternate: Alternate function mode
3: Analog: Analog mode

MODER1

Bits 2-3: Port x configuration bits (y = 0..15).

Allowed values:
0: Input: Input mode (reset state)
1: Output: General purpose output mode
2: Alternate: Alternate function mode
3: Analog: Analog mode

MODER2

Bits 4-5: Port x configuration bits (y = 0..15).

Allowed values:
0: Input: Input mode (reset state)
1: Output: General purpose output mode
2: Alternate: Alternate function mode
3: Analog: Analog mode

MODER3

Bits 6-7: Port x configuration bits (y = 0..15).

Allowed values:
0: Input: Input mode (reset state)
1: Output: General purpose output mode
2: Alternate: Alternate function mode
3: Analog: Analog mode

MODER4

Bits 8-9: Port x configuration bits (y = 0..15).

Allowed values:
0: Input: Input mode (reset state)
1: Output: General purpose output mode
2: Alternate: Alternate function mode
3: Analog: Analog mode

MODER5

Bits 10-11: Port x configuration bits (y = 0..15).

Allowed values:
0: Input: Input mode (reset state)
1: Output: General purpose output mode
2: Alternate: Alternate function mode
3: Analog: Analog mode

MODER6

Bits 12-13: Port x configuration bits (y = 0..15).

Allowed values:
0: Input: Input mode (reset state)
1: Output: General purpose output mode
2: Alternate: Alternate function mode
3: Analog: Analog mode

MODER7

Bits 14-15: Port x configuration bits (y = 0..15).

Allowed values:
0: Input: Input mode (reset state)
1: Output: General purpose output mode
2: Alternate: Alternate function mode
3: Analog: Analog mode

MODER8

Bits 16-17: Port x configuration bits (y = 0..15).

Allowed values:
0: Input: Input mode (reset state)
1: Output: General purpose output mode
2: Alternate: Alternate function mode
3: Analog: Analog mode

MODER9

Bits 18-19: Port x configuration bits (y = 0..15).

Allowed values:
0: Input: Input mode (reset state)
1: Output: General purpose output mode
2: Alternate: Alternate function mode
3: Analog: Analog mode

MODER10

Bits 20-21: Port x configuration bits (y = 0..15).

Allowed values:
0: Input: Input mode (reset state)
1: Output: General purpose output mode
2: Alternate: Alternate function mode
3: Analog: Analog mode

MODER11

Bits 22-23: Port x configuration bits (y = 0..15).

Allowed values:
0: Input: Input mode (reset state)
1: Output: General purpose output mode
2: Alternate: Alternate function mode
3: Analog: Analog mode

MODER12

Bits 24-25: Port x configuration bits (y = 0..15).

Allowed values:
0: Input: Input mode (reset state)
1: Output: General purpose output mode
2: Alternate: Alternate function mode
3: Analog: Analog mode

MODER13

Bits 26-27: Port x configuration bits (y = 0..15).

Allowed values:
0: Input: Input mode (reset state)
1: Output: General purpose output mode
2: Alternate: Alternate function mode
3: Analog: Analog mode

MODER14

Bits 28-29: Port x configuration bits (y = 0..15).

Allowed values:
0: Input: Input mode (reset state)
1: Output: General purpose output mode
2: Alternate: Alternate function mode
3: Analog: Analog mode

MODER15

Bits 30-31: Port x configuration bits (y = 0..15).

Allowed values:
0: Input: Input mode (reset state)
1: Output: General purpose output mode
2: Alternate: Alternate function mode
3: Analog: Analog mode

OTYPER

GPIO port output type register

Offset: 0x4, reset: 0x00000000, access: read-write

16/16 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
OT15 rw	OT14 rw	OT13 rw	OT12 rw	OT11 rw	OT10 rw	OT9 rw	OT8 rw	OT7 rw	OT6 rw	OT5 rw	OT4 rw	OT3 rw	OT2 rw	OT1 rw	OT0 rw

Toggle Fields

OT0

Bit 0: Port x configuration bits (y = 0..15).

Allowed values:
0: PushPull: Output push-pull (reset state)
1: OpenDrain: Output open-drain

OT1

Bit 1: Port x configuration bits (y = 0..15).

Allowed values:
0: PushPull: Output push-pull (reset state)
1: OpenDrain: Output open-drain

OT2

Bit 2: Port x configuration bits (y = 0..15).

Allowed values:
0: PushPull: Output push-pull (reset state)
1: OpenDrain: Output open-drain

OT3

Bit 3: Port x configuration bits (y = 0..15).

Allowed values:
0: PushPull: Output push-pull (reset state)
1: OpenDrain: Output open-drain

OT4

Bit 4: Port x configuration bits (y = 0..15).

Allowed values:
0: PushPull: Output push-pull (reset state)
1: OpenDrain: Output open-drain

OT5

Bit 5: Port x configuration bits (y = 0..15).

Allowed values:
0: PushPull: Output push-pull (reset state)
1: OpenDrain: Output open-drain

OT6

Bit 6: Port x configuration bits (y = 0..15).

Allowed values:
0: PushPull: Output push-pull (reset state)
1: OpenDrain: Output open-drain

OT7

Bit 7: Port x configuration bits (y = 0..15).

Allowed values:
0: PushPull: Output push-pull (reset state)
1: OpenDrain: Output open-drain

OT8

Bit 8: Port x configuration bits (y = 0..15).

Allowed values:
0: PushPull: Output push-pull (reset state)
1: OpenDrain: Output open-drain

OT9

Bit 9: Port x configuration bits (y = 0..15).

Allowed values:
0: PushPull: Output push-pull (reset state)
1: OpenDrain: Output open-drain

OT10

Bit 10: Port x configuration bits (y = 0..15).

Allowed values:
0: PushPull: Output push-pull (reset state)
1: OpenDrain: Output open-drain

OT11

Bit 11: Port x configuration bits (y = 0..15).

Allowed values:
0: PushPull: Output push-pull (reset state)
1: OpenDrain: Output open-drain

OT12

Bit 12: Port x configuration bits (y = 0..15).

Allowed values:
0: PushPull: Output push-pull (reset state)
1: OpenDrain: Output open-drain

OT13

Bit 13: Port x configuration bits (y = 0..15).

Allowed values:
0: PushPull: Output push-pull (reset state)
1: OpenDrain: Output open-drain

OT14

Bit 14: Port x configuration bits (y = 0..15).

Allowed values:
0: PushPull: Output push-pull (reset state)
1: OpenDrain: Output open-drain

OT15

Bit 15: Port x configuration bits (y = 0..15).

Allowed values:
0: PushPull: Output push-pull (reset state)
1: OpenDrain: Output open-drain

OSPEEDR

GPIO port output speed register

Offset: 0x8, reset: 0x00000000, access: read-write

16/16 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
OSPEEDR15 rw		OSPEEDR14 rw		OSPEEDR13 rw		OSPEEDR12 rw		OSPEEDR11 rw		OSPEEDR10 rw		OSPEEDR9 rw		OSPEEDR8 rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
OSPEEDR7 rw		OSPEEDR6 rw		OSPEEDR5 rw		OSPEEDR4 rw		OSPEEDR3 rw		OSPEEDR2 rw		OSPEEDR1 rw		OSPEEDR0 rw

Toggle Fields

OSPEEDR0

Bits 0-1: Port x configuration bits (y = 0..15).

Allowed values:
0: LowSpeed: Low speed
1: MediumSpeed: Medium speed
2: HighSpeed: High speed
3: VeryHighSpeed: Very high speed

OSPEEDR1

Bits 2-3: Port x configuration bits (y = 0..15).

Allowed values:
0: LowSpeed: Low speed
1: MediumSpeed: Medium speed
2: HighSpeed: High speed
3: VeryHighSpeed: Very high speed

OSPEEDR2

Bits 4-5: Port x configuration bits (y = 0..15).

Allowed values:
0: LowSpeed: Low speed
1: MediumSpeed: Medium speed
2: HighSpeed: High speed
3: VeryHighSpeed: Very high speed

OSPEEDR3

Bits 6-7: Port x configuration bits (y = 0..15).

Allowed values:
0: LowSpeed: Low speed
1: MediumSpeed: Medium speed
2: HighSpeed: High speed
3: VeryHighSpeed: Very high speed

OSPEEDR4

Bits 8-9: Port x configuration bits (y = 0..15).

Allowed values:
0: LowSpeed: Low speed
1: MediumSpeed: Medium speed
2: HighSpeed: High speed
3: VeryHighSpeed: Very high speed

OSPEEDR5

Bits 10-11: Port x configuration bits (y = 0..15).

Allowed values:
0: LowSpeed: Low speed
1: MediumSpeed: Medium speed
2: HighSpeed: High speed
3: VeryHighSpeed: Very high speed

OSPEEDR6

Bits 12-13: Port x configuration bits (y = 0..15).

Allowed values:
0: LowSpeed: Low speed
1: MediumSpeed: Medium speed
2: HighSpeed: High speed
3: VeryHighSpeed: Very high speed

OSPEEDR7

Bits 14-15: Port x configuration bits (y = 0..15).

Allowed values:
0: LowSpeed: Low speed
1: MediumSpeed: Medium speed
2: HighSpeed: High speed
3: VeryHighSpeed: Very high speed

OSPEEDR8

Bits 16-17: Port x configuration bits (y = 0..15).

Allowed values:
0: LowSpeed: Low speed
1: MediumSpeed: Medium speed
2: HighSpeed: High speed
3: VeryHighSpeed: Very high speed

OSPEEDR9

Bits 18-19: Port x configuration bits (y = 0..15).

Allowed values:
0: LowSpeed: Low speed
1: MediumSpeed: Medium speed
2: HighSpeed: High speed
3: VeryHighSpeed: Very high speed

OSPEEDR10

Bits 20-21: Port x configuration bits (y = 0..15).

Allowed values:
0: LowSpeed: Low speed
1: MediumSpeed: Medium speed
2: HighSpeed: High speed
3: VeryHighSpeed: Very high speed

OSPEEDR11

Bits 22-23: Port x configuration bits (y = 0..15).

Allowed values:
0: LowSpeed: Low speed
1: MediumSpeed: Medium speed
2: HighSpeed: High speed
3: VeryHighSpeed: Very high speed

OSPEEDR12

Bits 24-25: Port x configuration bits (y = 0..15).

Allowed values:
0: LowSpeed: Low speed
1: MediumSpeed: Medium speed
2: HighSpeed: High speed
3: VeryHighSpeed: Very high speed

OSPEEDR13

Bits 26-27: Port x configuration bits (y = 0..15).

Allowed values:
0: LowSpeed: Low speed
1: MediumSpeed: Medium speed
2: HighSpeed: High speed
3: VeryHighSpeed: Very high speed

OSPEEDR14

Bits 28-29: Port x configuration bits (y = 0..15).

Allowed values:
0: LowSpeed: Low speed
1: MediumSpeed: Medium speed
2: HighSpeed: High speed
3: VeryHighSpeed: Very high speed

OSPEEDR15

Bits 30-31: Port x configuration bits (y = 0..15).

Allowed values:
0: LowSpeed: Low speed
1: MediumSpeed: Medium speed
2: HighSpeed: High speed
3: VeryHighSpeed: Very high speed

PUPDR

GPIO port pull-up/pull-down register

Offset: 0xc, reset: 0x00000000, access: read-write

16/16 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
PUPDR15 rw		PUPDR14 rw		PUPDR13 rw		PUPDR12 rw		PUPDR11 rw		PUPDR10 rw		PUPDR9 rw		PUPDR8 rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
PUPDR7 rw		PUPDR6 rw		PUPDR5 rw		PUPDR4 rw		PUPDR3 rw		PUPDR2 rw		PUPDR1 rw		PUPDR0 rw

Toggle Fields

PUPDR0

Bits 0-1: Port x configuration bits (y = 0..15).

Allowed values:
0: Floating: No pull-up, pull-down
1: PullUp: Pull-up
2: PullDown: Pull-down

PUPDR1

Bits 2-3: Port x configuration bits (y = 0..15).

Allowed values:
0: Floating: No pull-up, pull-down
1: PullUp: Pull-up
2: PullDown: Pull-down

PUPDR2

Bits 4-5: Port x configuration bits (y = 0..15).

Allowed values:
0: Floating: No pull-up, pull-down
1: PullUp: Pull-up
2: PullDown: Pull-down

PUPDR3

Bits 6-7: Port x configuration bits (y = 0..15).

Allowed values:
0: Floating: No pull-up, pull-down
1: PullUp: Pull-up
2: PullDown: Pull-down

PUPDR4

Bits 8-9: Port x configuration bits (y = 0..15).

Allowed values:
0: Floating: No pull-up, pull-down
1: PullUp: Pull-up
2: PullDown: Pull-down

PUPDR5

Bits 10-11: Port x configuration bits (y = 0..15).

Allowed values:
0: Floating: No pull-up, pull-down
1: PullUp: Pull-up
2: PullDown: Pull-down

PUPDR6

Bits 12-13: Port x configuration bits (y = 0..15).

Allowed values:
0: Floating: No pull-up, pull-down
1: PullUp: Pull-up
2: PullDown: Pull-down

PUPDR7

Bits 14-15: Port x configuration bits (y = 0..15).

Allowed values:
0: Floating: No pull-up, pull-down
1: PullUp: Pull-up
2: PullDown: Pull-down

PUPDR8

Bits 16-17: Port x configuration bits (y = 0..15).

Allowed values:
0: Floating: No pull-up, pull-down
1: PullUp: Pull-up
2: PullDown: Pull-down

PUPDR9

Bits 18-19: Port x configuration bits (y = 0..15).

Allowed values:
0: Floating: No pull-up, pull-down
1: PullUp: Pull-up
2: PullDown: Pull-down

PUPDR10

Bits 20-21: Port x configuration bits (y = 0..15).

Allowed values:
0: Floating: No pull-up, pull-down
1: PullUp: Pull-up
2: PullDown: Pull-down

PUPDR11

Bits 22-23: Port x configuration bits (y = 0..15).

Allowed values:
0: Floating: No pull-up, pull-down
1: PullUp: Pull-up
2: PullDown: Pull-down

PUPDR12

Bits 24-25: Port x configuration bits (y = 0..15).

Allowed values:
0: Floating: No pull-up, pull-down
1: PullUp: Pull-up
2: PullDown: Pull-down

PUPDR13

Bits 26-27: Port x configuration bits (y = 0..15).

Allowed values:
0: Floating: No pull-up, pull-down
1: PullUp: Pull-up
2: PullDown: Pull-down

PUPDR14

Bits 28-29: Port x configuration bits (y = 0..15).

Allowed values:
0: Floating: No pull-up, pull-down
1: PullUp: Pull-up
2: PullDown: Pull-down

PUPDR15

Bits 30-31: Port x configuration bits (y = 0..15).

Allowed values:
0: Floating: No pull-up, pull-down
1: PullUp: Pull-up
2: PullDown: Pull-down

IDR

GPIO port input data register

Offset: 0x10, reset: 0x00000000, access: read-only

16/16 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
IDR15 r	IDR14 r	IDR13 r	IDR12 r	IDR11 r	IDR10 r	IDR9 r	IDR8 r	IDR7 r	IDR6 r	IDR5 r	IDR4 r	IDR3 r	IDR2 r	IDR1 r	IDR0 r

Toggle Fields

IDR0

Bit 0: Port input data (y = 0..15).

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR1

Bit 1: Port input data (y = 0..15).

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR2

Bit 2: Port input data (y = 0..15).

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR3

Bit 3: Port input data (y = 0..15).

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR4

Bit 4: Port input data (y = 0..15).

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR5

Bit 5: Port input data (y = 0..15).

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR6

Bit 6: Port input data (y = 0..15).

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR7

Bit 7: Port input data (y = 0..15).

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR8

Bit 8: Port input data (y = 0..15).

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR9

Bit 9: Port input data (y = 0..15).

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR10

Bit 10: Port input data (y = 0..15).

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR11

Bit 11: Port input data (y = 0..15).

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR12

Bit 12: Port input data (y = 0..15).

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR13

Bit 13: Port input data (y = 0..15).

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR14

Bit 14: Port input data (y = 0..15).

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR15

Bit 15: Port input data (y = 0..15).

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

ODR

GPIO port output data register

Offset: 0x14, reset: 0x00000000, access: read-write

16/16 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
ODR15 rw	ODR14 rw	ODR13 rw	ODR12 rw	ODR11 rw	ODR10 rw	ODR9 rw	ODR8 rw	ODR7 rw	ODR6 rw	ODR5 rw	ODR4 rw	ODR3 rw	ODR2 rw	ODR1 rw	ODR0 rw

Toggle Fields

ODR0

Bit 0: Port output data (y = 0..15).

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR1

Bit 1: Port output data (y = 0..15).

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR2

Bit 2: Port output data (y = 0..15).

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR3

Bit 3: Port output data (y = 0..15).

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR4

Bit 4: Port output data (y = 0..15).

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR5

Bit 5: Port output data (y = 0..15).

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR6

Bit 6: Port output data (y = 0..15).

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR7

Bit 7: Port output data (y = 0..15).

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR8

Bit 8: Port output data (y = 0..15).

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR9

Bit 9: Port output data (y = 0..15).

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR10

Bit 10: Port output data (y = 0..15).

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR11

Bit 11: Port output data (y = 0..15).

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR12

Bit 12: Port output data (y = 0..15).

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR13

Bit 13: Port output data (y = 0..15).

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR14

Bit 14: Port output data (y = 0..15).

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR15

Bit 15: Port output data (y = 0..15).

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

BSRR

GPIO port bit set/reset register

Offset: 0x18, reset: 0x00000000, access: write-only

32/32 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
BR15 w	BR14 w	BR13 w	BR12 w	BR11 w	BR10 w	BR9 w	BR8 w	BR7 w	BR6 w	BR5 w	BR4 w	BR3 w	BR2 w	BR1 w	BR0 w
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
BS15 w	BS14 w	BS13 w	BS12 w	BS11 w	BS10 w	BS9 w	BS8 w	BS7 w	BS6 w	BS5 w	BS4 w	BS3 w	BS2 w	BS1 w	BS0 w

Toggle Fields

BS0

Bit 0: Port x set bit y (y= 0..15).

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS1

Bit 1: Port x set bit y (y= 0..15).

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS2

Bit 2: Port x set bit y (y= 0..15).

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS3

Bit 3: Port x set bit y (y= 0..15).

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS4

Bit 4: Port x set bit y (y= 0..15).

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS5

Bit 5: Port x set bit y (y= 0..15).

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS6

Bit 6: Port x set bit y (y= 0..15).

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS7

Bit 7: Port x set bit y (y= 0..15).

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS8

Bit 8: Port x set bit y (y= 0..15).

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS9

Bit 9: Port x set bit y (y= 0..15).

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS10

Bit 10: Port x set bit y (y= 0..15).

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS11

Bit 11: Port x set bit y (y= 0..15).

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS12

Bit 12: Port x set bit y (y= 0..15).

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS13

Bit 13: Port x set bit y (y= 0..15).

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS14

Bit 14: Port x set bit y (y= 0..15).

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS15

Bit 15: Port x set bit y (y= 0..15).

Allowed values:
1: Set: Sets the corresponding ODRx bit

BR0

Bit 16: Port x set bit y (y= 0..15).

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR1

Bit 17: Port x reset bit y (y = 0..15).

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR2

Bit 18: Port x reset bit y (y = 0..15).

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR3

Bit 19: Port x reset bit y (y = 0..15).

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR4

Bit 20: Port x reset bit y (y = 0..15).

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR5

Bit 21: Port x reset bit y (y = 0..15).

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR6

Bit 22: Port x reset bit y (y = 0..15).

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR7

Bit 23: Port x reset bit y (y = 0..15).

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR8

Bit 24: Port x reset bit y (y = 0..15).

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR9

Bit 25: Port x reset bit y (y = 0..15).

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR10

Bit 26: Port x reset bit y (y = 0..15).

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR11

Bit 27: Port x reset bit y (y = 0..15).

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR12

Bit 28: Port x reset bit y (y = 0..15).

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR13

Bit 29: Port x reset bit y (y = 0..15).

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR14

Bit 30: Port x reset bit y (y = 0..15).

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR15

Bit 31: Port x reset bit y (y = 0..15).

Allowed values:
1: Reset: Resets the corresponding ODRx bit

LCKR

GPIO port configuration lock register

Offset: 0x1c, reset: 0x00000000, access: read-write

17/17 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
															LCKK rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
LCK15 rw	LCK14 rw	LCK13 rw	LCK12 rw	LCK11 rw	LCK10 rw	LCK9 rw	LCK8 rw	LCK7 rw	LCK6 rw	LCK5 rw	LCK4 rw	LCK3 rw	LCK2 rw	LCK1 rw	LCK0 rw

Toggle Fields

LCK0

Bit 0: Port x lock bit y (y= 0..15).

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK1

Bit 1: Port x lock bit y (y= 0..15).

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK2

Bit 2: Port x lock bit y (y= 0..15).

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK3

Bit 3: Port x lock bit y (y= 0..15).

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK4

Bit 4: Port x lock bit y (y= 0..15).

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK5

Bit 5: Port x lock bit y (y= 0..15).

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK6

Bit 6: Port x lock bit y (y= 0..15).

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK7

Bit 7: Port x lock bit y (y= 0..15).

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK8

Bit 8: Port x lock bit y (y= 0..15).

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK9

Bit 9: Port x lock bit y (y= 0..15).

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK10

Bit 10: Port x lock bit y (y= 0..15).

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK11

Bit 11: Port x lock bit y (y= 0..15).

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK12

Bit 12: Port x lock bit y (y= 0..15).

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK13

Bit 13: Port x lock bit y (y= 0..15).

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK14

Bit 14: Port x lock bit y (y= 0..15).

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK15

Bit 15: Port x lock bit y (y= 0..15).

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCKK

Bit 16: Port x lock bit y (y= 0..15).

Allowed values:
0: NotActive: Port configuration lock key not active
1: Active: Port configuration lock key active

AFRL

GPIO alternate function low register

Offset: 0x20, reset: 0x00000000, access: read-write

8/8 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
AFRL7 rw				AFRL6 rw				AFRL5 rw				AFRL4 rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
AFRL3 rw				AFRL2 rw				AFRL1 rw				AFRL0 rw

Toggle Fields

AFRL0

Bits 0-3: Alternate function selection for port x bit y (y = 0..7).

AFRL1

Bits 4-7: Alternate function selection for port x bit y (y = 0..7).

AFRL2

Bits 8-11: Alternate function selection for port x bit y (y = 0..7).

AFRL3

Bits 12-15: Alternate function selection for port x bit y (y = 0..7).

AFRL4

Bits 16-19: Alternate function selection for port x bit y (y = 0..7).

AFRL5

Bits 20-23: Alternate function selection for port x bit y (y = 0..7).

AFRL6

Bits 24-27: Alternate function selection for port x bit y (y = 0..7).

AFRL7

Bits 28-31: Alternate function selection for port x bit y (y = 0..7).

AFRH

GPIO alternate function high register

Offset: 0x24, reset: 0x00000000, access: read-write

8/8 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
AFRH15 rw				AFRH14 rw				AFRH13 rw				AFRH12 rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
AFRH11 rw				AFRH10 rw				AFRH9 rw				AFRH8 rw

Toggle Fields

AFRH8

Bits 0-3: Alternate function selection for port x bit y (y = 8..15).

AFRH9

Bits 4-7: Alternate function selection for port x bit y (y = 8..15).

AFRH10

Bits 8-11: Alternate function selection for port x bit y (y = 8..15).

AFRH11

Bits 12-15: Alternate function selection for port x bit y (y = 8..15).

AFRH12

Bits 16-19: Alternate function selection for port x bit y (y = 8..15).

AFRH13

Bits 20-23: Alternate function selection for port x bit y (y = 8..15).

AFRH14

Bits 24-27: Alternate function selection for port x bit y (y = 8..15).

AFRH15

Bits 28-31: Alternate function selection for port x bit y (y = 8..15).

I2C1

0x40005400: Inter-integrated circuit

53/53 fields covered. Toggle Registers

Show register map

Offset	Name	15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
0x0	CR1	SWRST		ALERT	PEC	POS	ACK	STOP	START	NOSTRETCH	ENGC	ENPEC	ENARP	SMBTYPE		SMBUS	PE
0x4	CR2				LAST	DMAEN	ITBUFEN	ITEVTEN	ITERREN			FREQ
0x8	OAR1	ADDMODE						ADD
0xc	OAR2									ADD2							ENDUAL
0x10	DR									DR
0x14	SR1	SMBALERT	TIMEOUT		PECERR	OVR	AF	ARLO	BERR	TxE	RxNE		STOPF	ADD10	BTF	ADDR	SB
0x18	SR2	PEC								DUALF	SMBHOST	SMBDEFAULT	GENCALL		TRA	BUSY	MSL
0x1c	CCR	F_S	DUTY			CCR
0x20	TRISE											TRISE
0x24	FLTR												ANOFF	DNF

CR1

Control register 1

Offset: 0x0, reset: 0x0000, access: read-write

14/14 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
SWRST rw		ALERT rw	PEC rw	POS rw	ACK rw	STOP rw	START rw	NOSTRETCH rw	ENGC rw	ENPEC rw	ENARP rw	SMBTYPE rw		SMBUS rw	PE rw

Toggle Fields

PE

Bit 0: Peripheral enable.

Allowed values:
0: Disabled: Peripheral disabled
1: Enabled: Peripheral enabled

SMBUS

Bit 1: SMBus mode.

Allowed values:
0: I2C: I2C Mode
1: SMBus: SMBus

SMBTYPE

Bit 3: SMBus type.

Allowed values:
0: Device: SMBus Device
1: Host: SMBus Host

ENARP

Bit 4: ARP enable.

Allowed values:
0: Disabled: ARP disabled
1: Enabled: ARP enabled

ENPEC

Bit 5: PEC enable.

Allowed values:
0: Disabled: PEC calculation disabled
1: Enabled: PEC calculation enabled

ENGC

Bit 6: General call enable.

Allowed values:
0: Disabled: General call disabled
1: Enabled: General call enabled

NOSTRETCH

Bit 7: Clock stretching disable (Slave mode).

Allowed values:
0: Enabled: Clock stretching enabled
1: Disabled: Clock stretching disabled

START

Bit 8: Start generation.

Allowed values:
0: NoStart: No Start generation
1: Start: In master mode: repeated start generation, in slave mode: start generation when bus is free

STOP

Bit 9: Stop generation.

Allowed values:
0: NoStop: No Stop generation
1: Stop: In master mode: stop generation after current byte/start, in slave mode: release SCL and SDA after current byte

ACK

Bit 10: Acknowledge enable.

Allowed values:
0: NAK: No acknowledge returned
1: ACK: Acknowledge returned after a byte is received

POS

Bit 11: Acknowledge/PEC Position (for data reception).

Allowed values:
0: Current: ACK bit controls the (N)ACK of the current byte being received
1: Next: ACK bit controls the (N)ACK of the next byte to be received

PEC

Bit 12: Packet error checking.

Allowed values:
0: Disabled: No PEC transfer
1: Enabled: PEC transfer

ALERT

Bit 13: SMBus alert.

Allowed values:
0: Release: SMBA pin released high
1: Drive: SMBA pin driven low

SWRST

Bit 15: Software reset.

Allowed values:
0: NotReset: I2C peripheral not under reset
1: Reset: I2C peripheral under reset

CR2

Control register 2

Offset: 0x4, reset: 0x0000, access: read-write

6/6 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
			LAST rw	DMAEN rw	ITBUFEN rw	ITEVTEN rw	ITERREN rw			FREQ rw

Toggle Fields

FREQ

Bits 0-5: Peripheral clock frequency.

Allowed values: 0x2-0x32

ITERREN

Bit 8: Error interrupt enable.

Allowed values:
0: Disabled: Error interrupt disabled
1: Enabled: Error interrupt enabled

ITEVTEN

Bit 9: Event interrupt enable.

Allowed values:
0: Disabled: Event interrupt disabled
1: Enabled: Event interrupt enabled

ITBUFEN

Bit 10: Buffer interrupt enable.

Allowed values:
0: Disabled: TxE=1 or RxNE=1 does not generate any interrupt
1: Enabled: TxE=1 or RxNE=1 generates Event interrupt

DMAEN

Bit 11: DMA requests enable.

Allowed values:
0: Disabled: DMA requests disabled
1: Enabled: DMA request enabled when TxE=1 or RxNE=1

LAST

Bit 12: DMA last transfer.

Allowed values:
0: NotLast: Next DMA EOT is not the last transfer
1: Last: Next DMA EOT is the last transfer

OAR1

Own address register 1

Offset: 0x8, reset: 0x0000, access: read-write

2/2 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
ADDMODE rw						ADD rw

Toggle Fields

ADD

Bits 0-9: Interface address.

Allowed values: 0x0-0x3ff

ADDMODE

Bit 15: Addressing mode (slave mode).

Allowed values:
0: ADD7: 7-bit slave address
1: ADD10: 10-bit slave address

OAR2

Own address register 2

Offset: 0xc, reset: 0x0000, access: read-write

2/2 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
								ADD2 rw							ENDUAL rw

Toggle Fields

ENDUAL

Bit 0: Dual addressing mode enable.

Allowed values:
0: Single: Single addressing mode
1: Dual: Dual addressing mode

ADD2

Bits 1-7: Interface address.

Allowed values: 0x0-0x7f

DR

Data register

Offset: 0x10, reset: 0x0000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
								DR rw

Toggle Fields

DR

Bits 0-7: 8-bit data register.

Allowed values: 0x0-0xff

SR1

Status register 1

Offset: 0x14, reset: 0x0000, access: Unspecified

14/14 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
SMBALERT rw	TIMEOUT rw		PECERR rw	OVR rw	AF rw	ARLO rw	BERR rw	TxE r	RxNE r		STOPF r	ADD10 r	BTF r	ADDR r	SB r

Toggle Fields

SB

Bit 0: Start bit (Master mode).

Allowed values:
0: NoStart: No Start condition
1: Start: Start condition generated

ADDR

Bit 1: Address sent (master mode)/matched (slave mode).

Allowed values:
0: NotMatch: Adress mismatched or not received
1: Match: Received slave address matched with one of the enabled slave addresses

BTF

Bit 2: Byte transfer finished.

Allowed values:
0: NotFinished: Data byte transfer not done
1: Finished: Data byte transfer successful

ADD10

Bit 3: 10-bit header sent (Master mode).

STOPF

Bit 4: Stop detection (slave mode).

Allowed values:
0: NoStop: No Stop condition detected
1: Stop: Stop condition detected

RxNE

Bit 6: Data register not empty (receivers).

Allowed values:
0: Empty: Data register empty
1: NotEmpty: Data register not empty

TxE

Bit 7: Data register empty (transmitters).

Allowed values:
0: NotEmpty: Data register not empty
1: Empty: Data register empty

BERR

Bit 8: Bus error.

Allowed values:
0: NoError: No misplaced Start or Stop condition
1: Error: Misplaced Start or Stop condition

ARLO

Bit 9: Arbitration lost (master mode).

Allowed values:
0: NoLost: No Arbitration Lost detected
1: Lost: Arbitration Lost detected

AF

Bit 10: Acknowledge failure.

Allowed values:
0: NoFailure: No acknowledge failure
1: Failure: Acknowledge failure

OVR

Bit 11: Overrun/Underrun.

Allowed values:
0: NoOverrun: No overrun/underrun occured
1: Overrun: Overrun/underrun occured

PECERR

Bit 12: PEC Error in reception.

Allowed values:
0: NoError: no PEC error: receiver returns ACK after PEC reception (if ACK=1)
1: Error: PEC error: receiver returns NACK after PEC reception (whatever ACK)

TIMEOUT

Bit 14: Timeout or Tlow error.

Allowed values:
0: NoTimeout: No Timeout error
1: Timeout: SCL remained LOW for 25 ms

SMBALERT

Bit 15: SMBus alert.

Allowed values:
0: NoAlert: No SMBALERT occured
1: Alert: SMBALERT occurred

SR2

Status register 2

Offset: 0x18, reset: 0x0000, access: read-only

8/8 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
PEC r								DUALF r	SMBHOST r	SMBDEFAULT r	GENCALL r		TRA r	BUSY r	MSL r

Toggle Fields

MSL

Bit 0: Master/slave.

BUSY

Bit 1: Bus busy.

TRA

Bit 2: Transmitter/receiver.

GENCALL

Bit 4: General call address (Slave mode).

SMBDEFAULT

Bit 5: SMBus device default address (Slave mode).

SMBHOST

Bit 6: SMBus host header (Slave mode).

DUALF

Bit 7: Dual flag (Slave mode).

PEC

Bits 8-15: acket error checking register.

CCR

Clock control register

Offset: 0x1c, reset: 0x0000, access: read-write

3/3 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
F_S rw	DUTY rw			CCR rw

Toggle Fields

CCR

Bits 0-11: Clock control register in Fast/Standard mode (Master mode).

Allowed values: 0x1-0xfff

DUTY

Bit 14: Fast mode duty cycle.

Allowed values:
0: Duty2_1: Duty cycle t_low/t_high = 2/1
1: Duty16_9: Duty cycle t_low/t_high = 16/9

F_S

Bit 15: I2C master mode selection.

Allowed values:
0: Standard: Standard mode I2C
1: Fast: Fast mode I2C

TRISE

TRISE register

Offset: 0x20, reset: 0x0002, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
										TRISE rw

Toggle Fields

TRISE

Bits 0-5: Maximum rise time in Fast/Standard mode (Master mode).

Allowed values: 0x0-0x3f

FLTR

FLTR register

Offset: 0x24, reset: 0, access: read-write

2/2 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
											ANOFF rw	DNF rw

Toggle Fields

DNF

Bits 0-3: Digital noise filter.

ANOFF

Bit 4: Analog noise filter.

Allowed values:
0: Enabled: Analog noise filter enabled
1: Disabled: Analog noise filter disabled

I2C2

0x40005800: Inter-integrated circuit

53/53 fields covered. Toggle Registers

Show register map

Offset	Name	15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
0x0	CR1	SWRST		ALERT	PEC	POS	ACK	STOP	START	NOSTRETCH	ENGC	ENPEC	ENARP	SMBTYPE		SMBUS	PE
0x4	CR2				LAST	DMAEN	ITBUFEN	ITEVTEN	ITERREN			FREQ
0x8	OAR1	ADDMODE						ADD
0xc	OAR2									ADD2							ENDUAL
0x10	DR									DR
0x14	SR1	SMBALERT	TIMEOUT		PECERR	OVR	AF	ARLO	BERR	TxE	RxNE		STOPF	ADD10	BTF	ADDR	SB
0x18	SR2	PEC								DUALF	SMBHOST	SMBDEFAULT	GENCALL		TRA	BUSY	MSL
0x1c	CCR	F_S	DUTY			CCR
0x20	TRISE											TRISE
0x24	FLTR												ANOFF	DNF

CR1

Control register 1

Offset: 0x0, reset: 0x0000, access: read-write

14/14 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
SWRST rw		ALERT rw	PEC rw	POS rw	ACK rw	STOP rw	START rw	NOSTRETCH rw	ENGC rw	ENPEC rw	ENARP rw	SMBTYPE rw		SMBUS rw	PE rw

Toggle Fields

PE

Bit 0: Peripheral enable.

Allowed values:
0: Disabled: Peripheral disabled
1: Enabled: Peripheral enabled

SMBUS

Bit 1: SMBus mode.

Allowed values:
0: I2C: I2C Mode
1: SMBus: SMBus

SMBTYPE

Bit 3: SMBus type.

Allowed values:
0: Device: SMBus Device
1: Host: SMBus Host

ENARP

Bit 4: ARP enable.

Allowed values:
0: Disabled: ARP disabled
1: Enabled: ARP enabled

ENPEC

Bit 5: PEC enable.

Allowed values:
0: Disabled: PEC calculation disabled
1: Enabled: PEC calculation enabled

ENGC

Bit 6: General call enable.

Allowed values:
0: Disabled: General call disabled
1: Enabled: General call enabled

NOSTRETCH

Bit 7: Clock stretching disable (Slave mode).

Allowed values:
0: Enabled: Clock stretching enabled
1: Disabled: Clock stretching disabled

START

Bit 8: Start generation.

Allowed values:
0: NoStart: No Start generation
1: Start: In master mode: repeated start generation, in slave mode: start generation when bus is free

STOP

Bit 9: Stop generation.

Allowed values:
0: NoStop: No Stop generation
1: Stop: In master mode: stop generation after current byte/start, in slave mode: release SCL and SDA after current byte

ACK

Bit 10: Acknowledge enable.

Allowed values:
0: NAK: No acknowledge returned
1: ACK: Acknowledge returned after a byte is received

POS

Bit 11: Acknowledge/PEC Position (for data reception).

Allowed values:
0: Current: ACK bit controls the (N)ACK of the current byte being received
1: Next: ACK bit controls the (N)ACK of the next byte to be received

PEC

Bit 12: Packet error checking.

Allowed values:
0: Disabled: No PEC transfer
1: Enabled: PEC transfer

ALERT

Bit 13: SMBus alert.

Allowed values:
0: Release: SMBA pin released high
1: Drive: SMBA pin driven low

SWRST

Bit 15: Software reset.

Allowed values:
0: NotReset: I2C peripheral not under reset
1: Reset: I2C peripheral under reset

CR2

Control register 2

Offset: 0x4, reset: 0x0000, access: read-write

6/6 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
			LAST rw	DMAEN rw	ITBUFEN rw	ITEVTEN rw	ITERREN rw			FREQ rw

Toggle Fields

FREQ

Bits 0-5: Peripheral clock frequency.

Allowed values: 0x2-0x32

ITERREN

Bit 8: Error interrupt enable.

Allowed values:
0: Disabled: Error interrupt disabled
1: Enabled: Error interrupt enabled

ITEVTEN

Bit 9: Event interrupt enable.

Allowed values:
0: Disabled: Event interrupt disabled
1: Enabled: Event interrupt enabled

ITBUFEN

Bit 10: Buffer interrupt enable.

Allowed values:
0: Disabled: TxE=1 or RxNE=1 does not generate any interrupt
1: Enabled: TxE=1 or RxNE=1 generates Event interrupt

DMAEN

Bit 11: DMA requests enable.

Allowed values:
0: Disabled: DMA requests disabled
1: Enabled: DMA request enabled when TxE=1 or RxNE=1

LAST

Bit 12: DMA last transfer.

Allowed values:
0: NotLast: Next DMA EOT is not the last transfer
1: Last: Next DMA EOT is the last transfer

OAR1

Own address register 1

Offset: 0x8, reset: 0x0000, access: read-write

2/2 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
ADDMODE rw						ADD rw

Toggle Fields

ADD

Bits 0-9: Interface address.

Allowed values: 0x0-0x3ff

ADDMODE

Bit 15: Addressing mode (slave mode).

Allowed values:
0: ADD7: 7-bit slave address
1: ADD10: 10-bit slave address

OAR2

Own address register 2

Offset: 0xc, reset: 0x0000, access: read-write

2/2 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
								ADD2 rw							ENDUAL rw

Toggle Fields

ENDUAL

Bit 0: Dual addressing mode enable.

Allowed values:
0: Single: Single addressing mode
1: Dual: Dual addressing mode

ADD2

Bits 1-7: Interface address.

Allowed values: 0x0-0x7f

DR

Data register

Offset: 0x10, reset: 0x0000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
								DR rw

Toggle Fields

DR

Bits 0-7: 8-bit data register.

Allowed values: 0x0-0xff

SR1

Status register 1

Offset: 0x14, reset: 0x0000, access: Unspecified

14/14 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
SMBALERT rw	TIMEOUT rw		PECERR rw	OVR rw	AF rw	ARLO rw	BERR rw	TxE r	RxNE r		STOPF r	ADD10 r	BTF r	ADDR r	SB r

Toggle Fields

SB

Bit 0: Start bit (Master mode).

Allowed values:
0: NoStart: No Start condition
1: Start: Start condition generated

ADDR

Bit 1: Address sent (master mode)/matched (slave mode).

Allowed values:
0: NotMatch: Adress mismatched or not received
1: Match: Received slave address matched with one of the enabled slave addresses

BTF

Bit 2: Byte transfer finished.

Allowed values:
0: NotFinished: Data byte transfer not done
1: Finished: Data byte transfer successful

ADD10

Bit 3: 10-bit header sent (Master mode).

STOPF

Bit 4: Stop detection (slave mode).

Allowed values:
0: NoStop: No Stop condition detected
1: Stop: Stop condition detected

RxNE

Bit 6: Data register not empty (receivers).

Allowed values:
0: Empty: Data register empty
1: NotEmpty: Data register not empty

TxE

Bit 7: Data register empty (transmitters).

Allowed values:
0: NotEmpty: Data register not empty
1: Empty: Data register empty

BERR

Bit 8: Bus error.

Allowed values:
0: NoError: No misplaced Start or Stop condition
1: Error: Misplaced Start or Stop condition

ARLO

Bit 9: Arbitration lost (master mode).

Allowed values:
0: NoLost: No Arbitration Lost detected
1: Lost: Arbitration Lost detected

AF

Bit 10: Acknowledge failure.

Allowed values:
0: NoFailure: No acknowledge failure
1: Failure: Acknowledge failure

OVR

Bit 11: Overrun/Underrun.

Allowed values:
0: NoOverrun: No overrun/underrun occured
1: Overrun: Overrun/underrun occured

PECERR

Bit 12: PEC Error in reception.

Allowed values:
0: NoError: no PEC error: receiver returns ACK after PEC reception (if ACK=1)
1: Error: PEC error: receiver returns NACK after PEC reception (whatever ACK)

TIMEOUT

Bit 14: Timeout or Tlow error.

Allowed values:
0: NoTimeout: No Timeout error
1: Timeout: SCL remained LOW for 25 ms

SMBALERT

Bit 15: SMBus alert.

Allowed values:
0: NoAlert: No SMBALERT occured
1: Alert: SMBALERT occurred

SR2

Status register 2

Offset: 0x18, reset: 0x0000, access: read-only

8/8 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
PEC r								DUALF r	SMBHOST r	SMBDEFAULT r	GENCALL r		TRA r	BUSY r	MSL r

Toggle Fields

MSL

Bit 0: Master/slave.

BUSY

Bit 1: Bus busy.

TRA

Bit 2: Transmitter/receiver.

GENCALL

Bit 4: General call address (Slave mode).

SMBDEFAULT

Bit 5: SMBus device default address (Slave mode).

SMBHOST

Bit 6: SMBus host header (Slave mode).

DUALF

Bit 7: Dual flag (Slave mode).

PEC

Bits 8-15: acket error checking register.

CCR

Clock control register

Offset: 0x1c, reset: 0x0000, access: read-write

3/3 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
F_S rw	DUTY rw			CCR rw

Toggle Fields

CCR

Bits 0-11: Clock control register in Fast/Standard mode (Master mode).

Allowed values: 0x1-0xfff

DUTY

Bit 14: Fast mode duty cycle.

Allowed values:
0: Duty2_1: Duty cycle t_low/t_high = 2/1
1: Duty16_9: Duty cycle t_low/t_high = 16/9

F_S

Bit 15: I2C master mode selection.

Allowed values:
0: Standard: Standard mode I2C
1: Fast: Fast mode I2C

TRISE

TRISE register

Offset: 0x20, reset: 0x0002, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
										TRISE rw

Toggle Fields

TRISE

Bits 0-5: Maximum rise time in Fast/Standard mode (Master mode).

Allowed values: 0x0-0x3f

FLTR

FLTR register

Offset: 0x24, reset: 0, access: read-write

2/2 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
											ANOFF rw	DNF rw

Toggle Fields

DNF

Bits 0-3: Digital noise filter.

ANOFF

Bit 4: Analog noise filter.

Allowed values:
0: Enabled: Analog noise filter enabled
1: Disabled: Analog noise filter disabled

IWDG

0x40003000: Independent watchdog

5/5 fields covered. Toggle Registers

Show register map

Offset	Name	15	11	2	1	0
0x0	KR	KEY
0x4	PR			PR
0x8	RLR		RL
0xc	SR				RVU	PVU

KR

Key register

Offset: 0x0, reset: 0x00000000, access: write-only

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
KEY w

Toggle Fields

KEY

Bits 0-15: Key value.

Allowed values:
21845: Enable: Enable access to PR, RLR and WINR registers (0x5555)
43690: Reset: Reset the watchdog value (0xAAAA)
52428: Start: Start the watchdog (0xCCCC)

PR

Prescaler register

Offset: 0x4, reset: 0x00000000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
													PR rw

Toggle Fields

PR

Bits 0-2: Prescaler divider.

Allowed values:
0: DivideBy4: Divider /4
1: DivideBy8: Divider /8
2: DivideBy16: Divider /16
3: DivideBy32: Divider /32
4: DivideBy64: Divider /64
5: DivideBy128: Divider /128
6: DivideBy256: Divider /256
7: DivideBy256bis: Divider /256

RLR

Reload register

Offset: 0x8, reset: 0x00000FFF, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
				RL rw

Toggle Fields

RL

Bits 0-11: Watchdog counter reload value.

Allowed values: 0x0-0xfff

SR

Status register

Offset: 0xc, reset: 0x00000000, access: read-only

2/2 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
														RVU r	PVU r

Toggle Fields

PVU

Bit 0: Watchdog prescaler value update.

RVU

Bit 1: Watchdog counter reload value update.

LPTIM1

0x40002400: Low power timer

8/41 fields covered. Toggle Registers

Show register map

Offset	Name	24	23	22	21	20	19	18	15	11	7	6	5	4	3	2	1	0
0x0	ISR											DOWN	UP	ARROK	CMPOK	EXTTRIG	ARRM	CMPM
0x4	ICR											DOWNCF	UPCF	ARROKCF	CMPOKCF	EXTTRIGCF	ARRMCF	CMPMCF
0x8	IER											DOWNIE	UPIE	ARROKIE	CMPOKIE	EXTTRIGIE	ARRMIE	CMPMIE
0xc	CFGR	ENC	COUNTMODE	PRELOAD	WAVPOL	WAVE	TIMOUT	TRIGEN	TRIGSEL	PRESC	TRGFLT			CKFLT		CKPOL		CKSEL
0x10	CR															CNTSTRT	SNGSTRT	ENABLE
0x14	CMP								CMP
0x18	ARR								ARR
0x1c	CNT								CNT
0x20	OPTR																OR

ISR

Interrupt and Status Register

Offset: 0x0, reset: 0x00000000, access: read-only

7/7 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
									DOWN r	UP r	ARROK r	CMPOK r	EXTTRIG r	ARRM r	CMPM r

Toggle Fields

CMPM

Bit 0: Compare match.

ARRM

Bit 1: Autoreload match.

EXTTRIG

Bit 2: External trigger edge event.

CMPOK

Bit 3: Compare register update OK.

ARROK

Bit 4: Autoreload register update OK.

UP

Bit 5: Counter direction change down to up.

DOWN

Bit 6: Counter direction change up to down.

ICR

Interrupt Clear Register

Offset: 0x4, reset: 0x00000000, access: write-only

0/7 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
									DOWNCF w	UPCF w	ARROKCF w	CMPOKCF w	EXTTRIGCF w	ARRMCF w	CMPMCF w

Toggle Fields

CMPMCF

Bit 0: compare match Clear Flag.

ARRMCF

Bit 1: Autoreload match Clear Flag.

EXTTRIGCF

Bit 2: External trigger valid edge Clear Flag.

CMPOKCF

Bit 3: Compare register update OK Clear Flag.

ARROKCF

Bit 4: Autoreload register update OK Clear Flag.

UPCF

Bit 5: Direction change to UP Clear Flag.

DOWNCF

Bit 6: Direction change to down Clear Flag.

IER

Interrupt Enable Register

Offset: 0x8, reset: 0x00000000, access: read-write

0/7 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
									DOWNIE rw	UPIE rw	ARROKIE rw	CMPOKIE rw	EXTTRIGIE rw	ARRMIE rw	CMPMIE rw

Toggle Fields

CMPMIE

Bit 0: Compare match Interrupt Enable.

ARRMIE

Bit 1: Autoreload match Interrupt Enable.

EXTTRIGIE

Bit 2: External trigger valid edge Interrupt Enable.

CMPOKIE

Bit 3: Compare register update OK Interrupt Enable.

ARROKIE

Bit 4: Autoreload register update OK Interrupt Enable.

UPIE

Bit 5: Direction change to UP Interrupt Enable.

DOWNIE

Bit 6: Direction change to down Interrupt Enable.

CFGR

Configuration Register

Offset: 0xc, reset: 0x00000000, access: read-write

0/13 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
							ENC rw	COUNTMODE rw	PRELOAD rw	WAVPOL rw	WAVE rw	TIMOUT rw	TRIGEN rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
TRIGSEL rw				PRESC rw				TRGFLT rw			CKFLT rw		CKPOL rw		CKSEL rw

Toggle Fields

CKSEL

Bit 0: Clock selector.

CKPOL

Bits 1-2: Clock Polarity.

CKFLT

Bits 3-4: Configurable digital filter for external clock.

TRGFLT

Bits 6-7: Configurable digital filter for trigger.

PRESC

Bits 9-11: Clock prescaler.

TRIGSEL

Bits 13-15: Trigger selector.

TRIGEN

Bits 17-18: Trigger enable and polarity.

TIMOUT

Bit 19: Timeout enable.

WAVE

Bit 20: Waveform shape.

WAVPOL

Bit 21: Waveform shape polarity.

PRELOAD

Bit 22: Registers update mode.

COUNTMODE

Bit 23: counter mode enabled.

ENC

Bit 24: Encoder mode enable.

CR

Control Register

Offset: 0x10, reset: 0x00000000, access: read-write

0/3 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
													CNTSTRT rw	SNGSTRT rw	ENABLE rw

Toggle Fields

ENABLE

Bit 0: LPTIM Enable.

SNGSTRT

Bit 1: LPTIM start in single mode.

CNTSTRT

Bit 2: Timer start in continuous mode.

CMP

Compare Register

Offset: 0x14, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
CMP rw

Toggle Fields

CMP

Bits 0-15: Compare value.

ARR

Autoreload Register

Offset: 0x18, reset: 0x00000001, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
ARR rw

Toggle Fields

ARR

Bits 0-15: Auto reload value.

CNT

Counter Register

Offset: 0x1c, reset: 0x00000000, access: read-only

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
CNT r

Toggle Fields

CNT

Bits 0-15: Counter value.

OPTR

Option Register

Offset: 0x20, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
														OR rw

Toggle Fields

OR

Bits 0-1: OR.

MPU

0xe000ed90: Memory protection unit

6/19 fields covered. Toggle Registers

Show register map

Offset	Name	31	28	26	23	21	18	17	16	15	7	5	4	3	2	1	0
0x0	MPU_TYPER				IREGION					DREGION							SEPARATE
0x4	MPU_CTRL														PRIVDEFENA	HFNMIENA	ENABLE
0x8	MPU_RNR										REGION
0xc	MPU_RBAR	ADDR								ADDR			VALID	REGION
0x10	MPU_RASR		XN	AP		TEX	S	C	B	SRD		SIZE					ENABLE

MPU_TYPER

MPU type register

Offset: 0x0, reset: 0X00000800, access: read-only

3/3 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
								IREGION r
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
DREGION r															SEPARATE r

Toggle Fields

SEPARATE

Bit 0: Separate flag.

DREGION

Bits 8-15: Number of MPU data regions.

IREGION

Bits 16-23: Number of MPU instruction regions.

MPU_CTRL

MPU control register

Offset: 0x4, reset: 0X00000000, access: read-only

3/3 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
													PRIVDEFENA r	HFNMIENA r	ENABLE r

Toggle Fields

ENABLE

Bit 0: Enables the MPU.

HFNMIENA

Bit 1: Enables the operation of MPU during hard fault.

PRIVDEFENA

Bit 2: Enable priviliged software access to default memory map.

MPU_RNR

MPU region number register

Offset: 0x8, reset: 0X00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
								REGION rw

Toggle Fields

REGION

Bits 0-7: MPU region.

MPU_RBAR

MPU region base address register

Offset: 0xc, reset: 0X00000000, access: read-write

0/3 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
ADDR rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
ADDR rw											VALID rw	REGION rw

Toggle Fields

REGION

Bits 0-3: MPU region field.

VALID

Bit 4: MPU region number valid.

ADDR

Bits 5-31: Region base address field.

MPU_RASR

MPU region attribute and size register

Offset: 0x10, reset: 0X00000000, access: read-write

0/9 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
			XN rw		AP rw					TEX rw			S rw	C rw	B rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
SRD rw										SIZE rw					ENABLE rw

Toggle Fields

ENABLE

Bit 0: Region enable bit..

SIZE

Bits 1-5: Size of the MPU protection region.

SRD

Bits 8-15: Subregion disable bits.

B

Bit 16: memory attribute.

C

Bit 17: memory attribute.

S

Bit 18: Shareable memory attribute.

TEX

Bits 19-21: memory attribute.

AP

Bits 24-26: Access permission.

XN

Bit 28: Instruction access disable bit.

NVIC

0xe000e100: Nested Vectored Interrupt Controller

3/95 fields covered. Toggle Registers

Show register map

Offset	Name	31	23	15	7
0x0	ISER0	SETENA		SETENA
0x4	ISER1	SETENA		SETENA
0x8	ISER2	SETENA		SETENA
0x80	ICER0	CLRENA		CLRENA
0x84	ICER1	CLRENA		CLRENA
0x88	ICER2	CLRENA		CLRENA
0x100	ISPR0	SETPEND		SETPEND
0x104	ISPR1	SETPEND		SETPEND
0x108	ISPR2	SETPEND		SETPEND
0x180	ICPR0	CLRPEND		CLRPEND
0x184	ICPR1	CLRPEND		CLRPEND
0x188	ICPR2	CLRPEND		CLRPEND
0x200	IABR0	ACTIVE		ACTIVE
0x204	IABR1	ACTIVE		ACTIVE
0x208	IABR2	ACTIVE		ACTIVE
0x300	IPR0	IPR_N3	IPR_N2	IPR_N1	IPR_N0
0x304	IPR1	IPR_N3	IPR_N2	IPR_N1	IPR_N0
0x308	IPR2	IPR_N3	IPR_N2	IPR_N1	IPR_N0
0x30c	IPR3	IPR_N3	IPR_N2	IPR_N1	IPR_N0
0x310	IPR4	IPR_N3	IPR_N2	IPR_N1	IPR_N0
0x314	IPR5	IPR_N3	IPR_N2	IPR_N1	IPR_N0
0x318	IPR6	IPR_N3	IPR_N2	IPR_N1	IPR_N0
0x31c	IPR7	IPR_N3	IPR_N2	IPR_N1	IPR_N0
0x320	IPR8	IPR_N3	IPR_N2	IPR_N1	IPR_N0
0x324	IPR9	IPR_N3	IPR_N2	IPR_N1	IPR_N0
0x328	IPR10	IPR_N3	IPR_N2	IPR_N1	IPR_N0
0x32c	IPR11	IPR_N3	IPR_N2	IPR_N1	IPR_N0
0x330	IPR12	IPR_N3	IPR_N2	IPR_N1	IPR_N0
0x334	IPR13	IPR_N3	IPR_N2	IPR_N1	IPR_N0
0x338	IPR14	IPR_N3	IPR_N2	IPR_N1	IPR_N0
0x33c	IPR15	IPR_N3	IPR_N2	IPR_N1	IPR_N0
0x340	IPR16	IPR_N3	IPR_N2	IPR_N1	IPR_N0
0x344	IPR17	IPR_N3	IPR_N2	IPR_N1	IPR_N0
0x348	IPR18	IPR_N3	IPR_N2	IPR_N1	IPR_N0
0x34c	IPR19	IPR_N3	IPR_N2	IPR_N1	IPR_N0

ISER0

Interrupt Set-Enable Register

Offset: 0x0, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
SETENA rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
SETENA rw

Toggle Fields

SETENA

Bits 0-31: SETENA.

ISER1

Interrupt Set-Enable Register

Offset: 0x4, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
SETENA rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
SETENA rw

Toggle Fields

SETENA

Bits 0-31: SETENA.

ISER2

Interrupt Set-Enable Register

Offset: 0x8, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
SETENA rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
SETENA rw

Toggle Fields

SETENA

Bits 0-31: SETENA.

ICER0

Interrupt Clear-Enable Register

Offset: 0x80, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
CLRENA rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
CLRENA rw

Toggle Fields

CLRENA

Bits 0-31: CLRENA.

ICER1

Interrupt Clear-Enable Register

Offset: 0x84, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
CLRENA rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
CLRENA rw

Toggle Fields

CLRENA

Bits 0-31: CLRENA.

ICER2

Interrupt Clear-Enable Register

Offset: 0x88, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
CLRENA rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
CLRENA rw

Toggle Fields

CLRENA

Bits 0-31: CLRENA.

ISPR0

Interrupt Set-Pending Register

Offset: 0x100, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
SETPEND rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
SETPEND rw

Toggle Fields

SETPEND

Bits 0-31: SETPEND.

ISPR1

Interrupt Set-Pending Register

Offset: 0x104, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
SETPEND rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
SETPEND rw

Toggle Fields

SETPEND

Bits 0-31: SETPEND.

ISPR2

Interrupt Set-Pending Register

Offset: 0x108, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
SETPEND rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
SETPEND rw

Toggle Fields

SETPEND

Bits 0-31: SETPEND.

ICPR0

Interrupt Clear-Pending Register

Offset: 0x180, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
CLRPEND rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
CLRPEND rw

Toggle Fields

CLRPEND

Bits 0-31: CLRPEND.

ICPR1

Interrupt Clear-Pending Register

Offset: 0x184, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
CLRPEND rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
CLRPEND rw

Toggle Fields

CLRPEND

Bits 0-31: CLRPEND.

ICPR2

Interrupt Clear-Pending Register

Offset: 0x188, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
CLRPEND rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
CLRPEND rw

Toggle Fields

CLRPEND

Bits 0-31: CLRPEND.

IABR0

Interrupt Active Bit Register

Offset: 0x200, reset: 0x00000000, access: read-only

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
ACTIVE r
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
ACTIVE r

Toggle Fields

ACTIVE

Bits 0-31: ACTIVE.

IABR1

Interrupt Active Bit Register

Offset: 0x204, reset: 0x00000000, access: read-only

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
ACTIVE r
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
ACTIVE r

Toggle Fields

ACTIVE

Bits 0-31: ACTIVE.

IABR2

Interrupt Active Bit Register

Offset: 0x208, reset: 0x00000000, access: read-only

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
ACTIVE r
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
ACTIVE r

Toggle Fields

ACTIVE

Bits 0-31: ACTIVE.

IPR0

Interrupt Priority Register

Offset: 0x300, reset: 0x00000000, access: read-write

0/4 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
IPR_N3 rw								IPR_N2 rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
IPR_N1 rw								IPR_N0 rw

Toggle Fields

IPR_N0

Bits 0-7: IPR_N0.

IPR_N1

Bits 8-15: IPR_N1.

IPR_N2

Bits 16-23: IPR_N2.

IPR_N3

Bits 24-31: IPR_N3.

IPR1

Interrupt Priority Register

Offset: 0x304, reset: 0x00000000, access: read-write

0/4 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
IPR_N3 rw								IPR_N2 rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
IPR_N1 rw								IPR_N0 rw

Toggle Fields

IPR_N0

Bits 0-7: IPR_N0.

IPR_N1

Bits 8-15: IPR_N1.

IPR_N2

Bits 16-23: IPR_N2.

IPR_N3

Bits 24-31: IPR_N3.

IPR2

Interrupt Priority Register

Offset: 0x308, reset: 0x00000000, access: read-write

0/4 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
IPR_N3 rw								IPR_N2 rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
IPR_N1 rw								IPR_N0 rw

Toggle Fields

IPR_N0

Bits 0-7: IPR_N0.

IPR_N1

Bits 8-15: IPR_N1.

IPR_N2

Bits 16-23: IPR_N2.

IPR_N3

Bits 24-31: IPR_N3.

IPR3

Interrupt Priority Register

Offset: 0x30c, reset: 0x00000000, access: read-write

0/4 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
IPR_N3 rw								IPR_N2 rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
IPR_N1 rw								IPR_N0 rw

Toggle Fields

IPR_N0

Bits 0-7: IPR_N0.

IPR_N1

Bits 8-15: IPR_N1.

IPR_N2

Bits 16-23: IPR_N2.

IPR_N3

Bits 24-31: IPR_N3.

IPR4

Interrupt Priority Register

Offset: 0x310, reset: 0x00000000, access: read-write

0/4 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
IPR_N3 rw								IPR_N2 rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
IPR_N1 rw								IPR_N0 rw

Toggle Fields

IPR_N0

Bits 0-7: IPR_N0.

IPR_N1

Bits 8-15: IPR_N1.

IPR_N2

Bits 16-23: IPR_N2.

IPR_N3

Bits 24-31: IPR_N3.

IPR5

Interrupt Priority Register

Offset: 0x314, reset: 0x00000000, access: read-write

0/4 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
IPR_N3 rw								IPR_N2 rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
IPR_N1 rw								IPR_N0 rw

Toggle Fields

IPR_N0

Bits 0-7: IPR_N0.

IPR_N1

Bits 8-15: IPR_N1.

IPR_N2

Bits 16-23: IPR_N2.

IPR_N3

Bits 24-31: IPR_N3.

IPR6

Interrupt Priority Register

Offset: 0x318, reset: 0x00000000, access: read-write

0/4 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
IPR_N3 rw								IPR_N2 rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
IPR_N1 rw								IPR_N0 rw

Toggle Fields

IPR_N0

Bits 0-7: IPR_N0.

IPR_N1

Bits 8-15: IPR_N1.

IPR_N2

Bits 16-23: IPR_N2.

IPR_N3

Bits 24-31: IPR_N3.

IPR7

Interrupt Priority Register

Offset: 0x31c, reset: 0x00000000, access: read-write

0/4 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
IPR_N3 rw								IPR_N2 rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
IPR_N1 rw								IPR_N0 rw

Toggle Fields

IPR_N0

Bits 0-7: IPR_N0.

IPR_N1

Bits 8-15: IPR_N1.

IPR_N2

Bits 16-23: IPR_N2.

IPR_N3

Bits 24-31: IPR_N3.

IPR8

Interrupt Priority Register

Offset: 0x320, reset: 0x00000000, access: read-write

0/4 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
IPR_N3 rw								IPR_N2 rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
IPR_N1 rw								IPR_N0 rw

Toggle Fields

IPR_N0

Bits 0-7: IPR_N0.

IPR_N1

Bits 8-15: IPR_N1.

IPR_N2

Bits 16-23: IPR_N2.

IPR_N3

Bits 24-31: IPR_N3.

IPR9

Interrupt Priority Register

Offset: 0x324, reset: 0x00000000, access: read-write

0/4 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
IPR_N3 rw								IPR_N2 rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
IPR_N1 rw								IPR_N0 rw

Toggle Fields

IPR_N0

Bits 0-7: IPR_N0.

IPR_N1

Bits 8-15: IPR_N1.

IPR_N2

Bits 16-23: IPR_N2.

IPR_N3

Bits 24-31: IPR_N3.

IPR10

Interrupt Priority Register

Offset: 0x328, reset: 0x00000000, access: read-write

0/4 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
IPR_N3 rw								IPR_N2 rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
IPR_N1 rw								IPR_N0 rw

Toggle Fields

IPR_N0

Bits 0-7: IPR_N0.

IPR_N1

Bits 8-15: IPR_N1.

IPR_N2

Bits 16-23: IPR_N2.

IPR_N3

Bits 24-31: IPR_N3.

IPR11

Interrupt Priority Register

Offset: 0x32c, reset: 0x00000000, access: read-write

0/4 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
IPR_N3 rw								IPR_N2 rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
IPR_N1 rw								IPR_N0 rw

Toggle Fields

IPR_N0

Bits 0-7: IPR_N0.

IPR_N1

Bits 8-15: IPR_N1.

IPR_N2

Bits 16-23: IPR_N2.

IPR_N3

Bits 24-31: IPR_N3.

IPR12

Interrupt Priority Register

Offset: 0x330, reset: 0x00000000, access: read-write

0/4 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
IPR_N3 rw								IPR_N2 rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
IPR_N1 rw								IPR_N0 rw

Toggle Fields

IPR_N0

Bits 0-7: IPR_N0.

IPR_N1

Bits 8-15: IPR_N1.

IPR_N2

Bits 16-23: IPR_N2.

IPR_N3

Bits 24-31: IPR_N3.

IPR13

Interrupt Priority Register

Offset: 0x334, reset: 0x00000000, access: read-write

0/4 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
IPR_N3 rw								IPR_N2 rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
IPR_N1 rw								IPR_N0 rw

Toggle Fields

IPR_N0

Bits 0-7: IPR_N0.

IPR_N1

Bits 8-15: IPR_N1.

IPR_N2

Bits 16-23: IPR_N2.

IPR_N3

Bits 24-31: IPR_N3.

IPR14

Interrupt Priority Register

Offset: 0x338, reset: 0x00000000, access: read-write

0/4 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
IPR_N3 rw								IPR_N2 rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
IPR_N1 rw								IPR_N0 rw

Toggle Fields

IPR_N0

Bits 0-7: IPR_N0.

IPR_N1

Bits 8-15: IPR_N1.

IPR_N2

Bits 16-23: IPR_N2.

IPR_N3

Bits 24-31: IPR_N3.

IPR15

Interrupt Priority Register

Offset: 0x33c, reset: 0x00000000, access: read-write

0/4 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
IPR_N3 rw								IPR_N2 rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
IPR_N1 rw								IPR_N0 rw

Toggle Fields

IPR_N0

Bits 0-7: IPR_N0.

IPR_N1

Bits 8-15: IPR_N1.

IPR_N2

Bits 16-23: IPR_N2.

IPR_N3

Bits 24-31: IPR_N3.

IPR16

Interrupt Priority Register

Offset: 0x340, reset: 0x00000000, access: read-write

0/4 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
IPR_N3 rw								IPR_N2 rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
IPR_N1 rw								IPR_N0 rw

Toggle Fields

IPR_N0

Bits 0-7: IPR_N0.

IPR_N1

Bits 8-15: IPR_N1.

IPR_N2

Bits 16-23: IPR_N2.

IPR_N3

Bits 24-31: IPR_N3.

IPR17

Interrupt Priority Register

Offset: 0x344, reset: 0x00000000, access: read-write

0/4 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
IPR_N3 rw								IPR_N2 rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
IPR_N1 rw								IPR_N0 rw

Toggle Fields

IPR_N0

Bits 0-7: IPR_N0.

IPR_N1

Bits 8-15: IPR_N1.

IPR_N2

Bits 16-23: IPR_N2.

IPR_N3

Bits 24-31: IPR_N3.

IPR18

Interrupt Priority Register

Offset: 0x348, reset: 0x00000000, access: read-write

0/4 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
IPR_N3 rw								IPR_N2 rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
IPR_N1 rw								IPR_N0 rw

Toggle Fields

IPR_N0

Bits 0-7: IPR_N0.

IPR_N1

Bits 8-15: IPR_N1.

IPR_N2

Bits 16-23: IPR_N2.

IPR_N3

Bits 24-31: IPR_N3.

IPR19

Interrupt Priority Register

Offset: 0x34c, reset: 0x00000000, access: read-write

0/4 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
IPR_N3 rw								IPR_N2 rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
IPR_N1 rw								IPR_N0 rw

Toggle Fields

IPR_N0

Bits 0-7: IPR_N0.

IPR_N1

Bits 8-15: IPR_N1.

IPR_N2

Bits 16-23: IPR_N2.

IPR_N3

Bits 24-31: IPR_N3.

NVIC_STIR

0xe000ef00: Nested vectored interrupt controller

0/1 fields covered. Toggle Registers

Show register map

Offset	Name	31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16	15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
0x0	STIR																								INTID

STIR

Software trigger interrupt register

Offset: 0x0, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
							INTID rw

Toggle Fields

INTID

Bits 0-8: Software generated interrupt ID.

PWR

0x40007000: Power control

4/19 fields covered. Toggle Registers

Show register map

Offset	Name	31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16	15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
0x0	CR																	VOS		ADCDC1				FPDS	DBP	PLS			PVDE	CSBF	CWUF	PDDS	LPDS
0x4	CSR																		VOSRDY					BRE	EWUP1	EWUP2	EWUP3			BRR	PVDO	SBF	WUF

CR

power control register

Offset: 0x0, reset: 0x00000000, access: read-write

0/10 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
VOS rw		ADCDC1 rw				FPDS rw	DBP rw	PLS rw			PVDE rw	CSBF rw	CWUF rw	PDDS rw	LPDS rw

Toggle Fields

LPDS

Bit 0: Low-power deep sleep.

PDDS

Bit 1: Power down deepsleep.

CWUF

Bit 2: Clear wakeup flag.

CSBF

Bit 3: Clear standby flag.

PVDE

Bit 4: Power voltage detector enable.

PLS

Bits 5-7: PVD level selection.

DBP

Bit 8: Disable backup domain write protection.

FPDS

Bit 9: Flash power down in Stop mode.

ADCDC1

Bit 13: ADCDC1.

VOS

Bits 14-15: Regulator voltage scaling output selection.

CSR

power control/status register

Offset: 0x4, reset: 0x00000000, access: Unspecified

4/9 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
	VOSRDY rw					BRE rw	EWUP1 rw	EWUP2 rw	EWUP3 rw			BRR r	PVDO r	SBF r	WUF r

Toggle Fields

WUF

Bit 0: Wakeup flag.

SBF

Bit 1: Standby flag.

PVDO

Bit 2: PVD output.

BRR

Bit 3: Backup regulator ready.

EWUP3

Bit 6: Enable WKUP3 pin.

EWUP2

Bit 7: Enable WKUP2 pin.

EWUP1

Bit 8: Enable WKUP1 pin.

BRE

Bit 9: Backup regulator enable.

VOSRDY

Bit 14: Regulator voltage scaling output selection ready bit.

RCC

0x40023800: Reset and clock control

161/161 fields covered. Toggle Registers

Show register map

Offset	Name	31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16	15	14	12	11	10	9	8	7	5	4	3	2	1	0
0x0	CR							PLLRDY	PLLON					CSSON	HSEBYP	HSERDY	HSEON	HSICAL							HSITRIM					HSIRDY	HSION
0x4	PLLCFGR		PLLR			PLLQ					PLLSRC					PLLP			PLLN							PLLM
0x8	CFGR	MCO2		MCO2PRE			MCO1PRE				MCO1		RTCPRE					PPRE2		PPRE1			MCO2EN	MCO1EN	HPRE			SWS		SW
0xc	CIR									CSSC		PLLI2SRDYC	PLLRDYC	HSERDYC	HSIRDYC	LSERDYC	LSIRDYC			PLLRDYIE	HSERDYIE	HSIRDYIE	LSERDYIE	LSIRDYIE	CSSF		PLLRDYF	HSERDYF	HSIRDYF	LSERDYF	LSIRDYF
0x10	AHB1RSTR	RNGRST									DMA2RST	DMA1RST								CRCRST					GPIOHRST				GPIOCRST	GPIOBRST	GPIOARST
0x20	APB1RSTR			DACRST	PWRRST				FMPI2C1RST		I2C2RST	I2C1RST				USART2RST			SPI2RST		WWDGRST		LPTIM1RST				TIM6RST	TIM5RST
0x24	APB2RSTR												SPI5RST		TIM11RST		TIM9RST		SYSCFGRST	SPI1RST				ADCRST		USART6RST	USART1RST				TIM1RST
0x30	AHB1ENR	RNGEN									DMA2EN	DMA1EN								CRCEN					GPIOHEN				GPIOCEN	GPIOBEN	GPIOAEN
0x40	APB1ENR			DACEN	PWREN				FMPI2C1EN		I2C2EN	I2C1EN				USART2EN			SPI2EN		WWDGEN	RTCAPBEN	LPTIM1EN				TIM6EN	TIM5EN
0x44	APB2ENR												SPI5EN		TIM11EN		TIM9EN	EXTITEN	SYSCFGEN	SPI1EN				ADC1EN		USART6EN	USART1EN				TIM1EN
0x50	AHB1LPENR	RNGLPEN									DMA2LPEN	DMA1LPEN					SRAM1LPEN	FLITFLPEN		CRCLPEN					GPIOHLPEN				GPIOCLPEN	GPIOBLPEN	GPIOALPEN
0x60	APB1LPENR			DACLPEN	PWRLPEN				FMPI2C1LPEN		I2C2LPEN	I2C1LPEN				USART2LPEN			SPI2LPEN		WWDGLPEN	RTCAPBLPEN	LPTIM1LPEN				TIM6LPEN	TIM5LPEN
0x64	APB2LPENR												SPI5LPEN		TIM11LPEN		TIM9LPEN	EXTITLPEN	SYSCFGLPEN	SPI1LPEN	SDIOLPEN			ADC1LPEN		USART6LPEN	USART1LPEN				TIM1LPEN
0x70	BDCR																BDRST	RTCEN					RTCSEL						LSEBYP	LSERDY	LSEON
0x74	CSR	LPWRRSTF	WWDGRSTF	WDGRSTF	SFTRSTF	PORRSTF	PADRSTF	BORRSTF	RMVF																					LSIRDY	LSION
0x80	SSCGR	SSCGEN	SPREADSEL			INCSTEP												INCSTEP		MODPER
0x8c	DCKCFGR						I2SSRC		TIMPRE
0x94	DCKCFGR2	LPTIM1SEL								FMPI2C1SEL

CR

clock control register

Offset: 0x0, reset: 0x00000083, access: Unspecified

10/10 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
						PLLRDY r	PLLON rw					CSSON rw	HSEBYP rw	HSERDY r	HSEON rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
HSICAL r								HSITRIM rw						HSIRDY r	HSION rw

Toggle Fields

HSION

Bit 0: Internal high-speed clock enable.

Allowed values:
0: Off: Clock Off
1: On: Clock On

HSIRDY

Bit 1: Internal high-speed clock ready flag.

Allowed values:
0: NotReady: Clock not ready
1: Ready: Clock ready

HSITRIM

Bits 3-7: Internal high-speed clock trimming.

Allowed values: 0x0-0x1f

HSICAL

Bits 8-15: Internal high-speed clock calibration.

Allowed values: 0x0-0xff

HSEON

Bit 16: HSE clock enable.

Allowed values:
0: Off: Clock Off
1: On: Clock On

HSERDY

Bit 17: HSE clock ready flag.

Allowed values:
0: NotReady: Clock not ready
1: Ready: Clock ready

HSEBYP

Bit 18: HSE clock bypass.

Allowed values:
0: NotBypassed: HSE crystal oscillator not bypassed
1: Bypassed: HSE crystal oscillator bypassed with external clock

CSSON

Bit 19: Clock security system enable.

Allowed values:
0: Off: Clock security system disabled (clock detector OFF)
1: On: Clock security system enable (clock detector ON if the HSE is ready, OFF if not)

PLLON

Bit 24: Main PLL (PLL) enable.

Allowed values:
0: Off: Clock Off
1: On: Clock On

PLLRDY

Bit 25: Main PLL (PLL) clock ready flag.

Allowed values:
0: NotReady: Clock not ready
1: Ready: Clock ready

PLLCFGR

PLL configuration register

Offset: 0x4, reset: 0x7F003010, access: read-write

6/6 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
	PLLR rw			PLLQ rw					PLLSRC rw					PLLP rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
	PLLN rw									PLLM rw

Toggle Fields

PLLM

Bits 0-5: Division factor for the main PLL (PLL) and audio PLL (PLLI2S) input clock.

Allowed values: 0x2-0x3f

PLLN

Bits 6-14: Main PLL (PLL) multiplication factor for VCO.

Allowed values: 0x32-0x1b0

PLLP

Bits 16-17: Main PLL (PLL) division factor for main system clock.

Allowed values:
0: Div2: PLLP=2
1: Div4: PLLP=4
2: Div6: PLLP=6
3: Div8: PLLP=8

PLLSRC

Bit 22: Main PLL(PLL) and audio PLL (PLLI2S) entry clock source.

Allowed values:
0: HSI: HSI clock selected as PLL and PLLI2S clock entry
1: HSE: HSE oscillator clock selected as PLL and PLLI2S clock entry

PLLQ

Bits 24-27: Main PLL (PLL) division factor for USB OTG FS, SDIO and random number generator clocks.

Allowed values: 0x2-0xf

PLLR

Bits 28-30: PLL division factor for I2S and System clocks.

Allowed values: 0x2-0x7

CFGR

clock configuration register

Offset: 0x8, reset: 0x00000000, access: Unspecified

12/12 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
MCO2 rw		MCO2PRE rw			MCO1PRE rw				MCO1 rw		RTCPRE rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
PPRE2 rw			PPRE1 rw			MCO2EN rw	MCO1EN rw	HPRE rw				SWS N/A		SW N/A

Toggle Fields

SW

Bits 0-1: System clock switch.

Allowed values:
0: HSI: HSI selected as system clock
1: HSE: HSE selected as system clock
2: PLL: PLL selected as system clock

SWS

Bits 2-3: System clock switch status.

Allowed values:
0: HSI: HSI oscillator used as system clock
1: HSE: HSE oscillator used as system clock
2: PLL: PLL used as system clock

HPRE

Bits 4-7: AHB prescaler.

Allowed values:
0: Div1: SYSCLK not divided
8: Div2: SYSCLK divided by 2
9: Div4: SYSCLK divided by 4
10: Div8: SYSCLK divided by 8
11: Div16: SYSCLK divided by 16
12: Div64: SYSCLK divided by 64
13: Div128: SYSCLK divided by 128
14: Div256: SYSCLK divided by 256
15: Div512: SYSCLK divided by 512

MCO1EN

Bit 8: MCO output enable.

Allowed values:
0: Disabled: MCO output disabled
1: Enabled: MCO output enabled

MCO2EN

Bit 9: MCO output enable.

Allowed values:
0: Disabled: MCO output disabled
1: Enabled: MCO output enabled

PPRE1

Bits 10-12: APB Low speed prescaler (APB1).

Allowed values:
0: Div1: HCLK not divided
4: Div2: HCLK divided by 2
5: Div4: HCLK divided by 4
6: Div8: HCLK divided by 8
7: Div16: HCLK divided by 16

PPRE2

Bits 13-15: APB high-speed prescaler (APB2).

Allowed values:
0: Div1: HCLK not divided
4: Div2: HCLK divided by 2
5: Div4: HCLK divided by 4
6: Div8: HCLK divided by 8
7: Div16: HCLK divided by 16

RTCPRE

Bits 16-20: HSE division factor for RTC clock.

Allowed values: 0x0-0x1f

MCO1

Bits 21-22: Microcontroller clock output 1.

Allowed values:
0: HSI: HSI clock selected
1: LSE: LSE oscillator selected
2: HSE: HSE oscillator clock selected
3: PLL: PLL clock selected

MCO1PRE

Bits 24-26: MCO1 prescaler.

Allowed values:
0: Div1: No division
4: Div2: Division by 2
5: Div3: Division by 3
6: Div4: Division by 4
7: Div5: Division by 5

MCO2PRE

Bits 27-29: MCO2 prescaler.

Allowed values:
0: Div1: No division
4: Div2: Division by 2
5: Div3: Division by 3
6: Div4: Division by 4
7: Div5: Division by 5

MCO2

Bits 30-31: Microcontroller clock output 2.

Allowed values:
0: SYSCLK: System clock (SYSCLK) selected
1: PLLI2S: PLLI2S clock selected
2: HSE: HSE oscillator clock selected
3: PLL: PLL clock selected

CIR

clock interrupt register

Offset: 0xc, reset: 0x00000000, access: Unspecified

18/18 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
								CSSC w		PLLI2SRDYC w	PLLRDYC w	HSERDYC w	HSIRDYC w	LSERDYC w	LSIRDYC w
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
			PLLRDYIE rw	HSERDYIE rw	HSIRDYIE rw	LSERDYIE rw	LSIRDYIE rw	CSSF r			PLLRDYF r	HSERDYF r	HSIRDYF r	LSERDYF r	LSIRDYF r

Toggle Fields

LSIRDYF

Bit 0: LSI ready interrupt flag.

Allowed values:
0: NotInterrupted: No clock ready interrupt
1: Interrupted: Clock ready interrupt

LSERDYF

Bit 1: LSE ready interrupt flag.

Allowed values:
0: NotInterrupted: No clock ready interrupt
1: Interrupted: Clock ready interrupt

HSIRDYF

Bit 2: HSI ready interrupt flag.

Allowed values:
0: NotInterrupted: No clock ready interrupt
1: Interrupted: Clock ready interrupt

HSERDYF

Bit 3: HSE ready interrupt flag.

Allowed values:
0: NotInterrupted: No clock ready interrupt
1: Interrupted: Clock ready interrupt

PLLRDYF

Bit 4: Main PLL (PLL) ready interrupt flag.

Allowed values:
0: NotInterrupted: No clock ready interrupt
1: Interrupted: Clock ready interrupt

CSSF

Bit 7: Clock security system interrupt flag.

Allowed values:
0: NotInterrupted: No clock security interrupt caused by HSE clock failure
1: Interrupted: Clock security interrupt caused by HSE clock failure

LSIRDYIE

Bit 8: LSI ready interrupt enable.

Allowed values:
0: Disabled: Interrupt disabled
1: Enabled: Interrupt enabled

LSERDYIE

Bit 9: LSE ready interrupt enable.

Allowed values:
0: Disabled: Interrupt disabled
1: Enabled: Interrupt enabled

HSIRDYIE

Bit 10: HSI ready interrupt enable.

Allowed values:
0: Disabled: Interrupt disabled
1: Enabled: Interrupt enabled

HSERDYIE

Bit 11: HSE ready interrupt enable.

Allowed values:
0: Disabled: Interrupt disabled
1: Enabled: Interrupt enabled

PLLRDYIE

Bit 12: Main PLL (PLL) ready interrupt enable.

Allowed values:
0: Disabled: Interrupt disabled
1: Enabled: Interrupt enabled

LSIRDYC

Bit 16: LSI ready interrupt clear.

Allowed values:
1: Clear: Clear interrupt flag

LSERDYC

Bit 17: LSE ready interrupt clear.

Allowed values:
1: Clear: Clear interrupt flag

HSIRDYC

Bit 18: HSI ready interrupt clear.

Allowed values:
1: Clear: Clear interrupt flag

HSERDYC

Bit 19: HSE ready interrupt clear.

Allowed values:
1: Clear: Clear interrupt flag

PLLRDYC

Bit 20: Main PLL(PLL) ready interrupt clear.

Allowed values:
1: Clear: Clear interrupt flag

PLLI2SRDYC

Bit 21: PLLI2S ready interrupt clear.

Allowed values:
1: Clear: Clear interrupt flag

CSSC

Bit 23: Clock security system interrupt clear.

Allowed values:
1: Clear: Clear CSSF flag

AHB1RSTR

AHB1 peripheral reset register

Offset: 0x10, reset: 0x00000000, access: read-write

8/8 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
RNGRST rw									DMA2RST rw	DMA1RST rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
			CRCRST rw					GPIOHRST rw					GPIOCRST rw	GPIOBRST rw	GPIOARST rw

Toggle Fields

GPIOARST

Bit 0: IO port A reset.

Allowed values:
1: Reset: Reset the selected module

GPIOBRST

Bit 1: IO port B reset.

Allowed values:
1: Reset: Reset the selected module

GPIOCRST

Bit 2: IO port C reset.

Allowed values:
1: Reset: Reset the selected module

GPIOHRST

Bit 7: IO port H reset.

Allowed values:
1: Reset: Reset the selected module

CRCRST

Bit 12: CRC reset.

Allowed values:
1: Reset: Reset the selected module

DMA1RST

Bit 21: DMA2 reset.

Allowed values:
1: Reset: Reset the selected module

DMA2RST

Bit 22: DMA2 reset.

Allowed values:
1: Reset: Reset the selected module

RNGRST

Bit 31: RNGRST.

Allowed values:
1: Reset: Reset the selected module

APB1RSTR

APB1 peripheral reset register

Offset: 0x20, reset: 0x00000000, access: read-write

11/11 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
		DACRST rw	PWRRST rw				FMPI2C1RST rw		I2C2RST rw	I2C1RST rw				USART2RST rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
	SPI2RST rw			WWDGRST rw		LPTIM1RST rw					TIM6RST rw	TIM5RST rw

Toggle Fields

TIM5RST

Bit 3: TIM5 reset.

Allowed values:
1: Reset: Reset the selected module

TIM6RST

Bit 4: TIM6 reset.

Allowed values:
1: Reset: Reset the selected module

LPTIM1RST

Bit 9: LPTIM1 reset.

Allowed values:
1: Reset: Reset the selected module

WWDGRST

Bit 11: Window watchdog reset.

Allowed values:
1: Reset: Reset the selected module

SPI2RST

Bit 14: SPI 2 reset.

Allowed values:
1: Reset: Reset the selected module

USART2RST

Bit 17: USART 2 reset.

Allowed values:
1: Reset: Reset the selected module

I2C1RST

Bit 21: I2C 1 reset.

Allowed values:
1: Reset: Reset the selected module

I2C2RST

Bit 22: I2C 2 reset.

Allowed values:
1: Reset: Reset the selected module

FMPI2C1RST

Bit 24: FMPI2C1 reset.

Allowed values:
1: Reset: Reset the selected module

PWRRST

Bit 28: Power interface reset.

Allowed values:
1: Reset: Reset the selected module

DACRST

Bit 29: DAC reset.

Allowed values:
1: Reset: Reset the selected module

APB2RSTR

APB2 peripheral reset register

Offset: 0x24, reset: 0x00000000, access: read-write

9/9 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
											SPI5RST rw		TIM11RST rw		TIM9RST rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
	SYSCFGRST rw		SPI1RST rw				ADCRST rw			USART6RST rw	USART1RST rw				TIM1RST rw

Toggle Fields

TIM1RST

Bit 0: TIM1 reset.

Allowed values:
1: Reset: Reset the selected module

USART1RST

Bit 4: USART1 reset.

Allowed values:
1: Reset: Reset the selected module

USART6RST

Bit 5: USART6 reset.

Allowed values:
1: Reset: Reset the selected module

ADCRST

Bit 8: ADC interface reset (common to all ADCs).

Allowed values:
1: Reset: Reset the selected module

SPI1RST

Bit 12: SPI 1 reset.

Allowed values:
1: Reset: Reset the selected module

SYSCFGRST

Bit 14: System configuration controller reset.

Allowed values:
1: Reset: Reset the selected module

TIM9RST

Bit 16: TIM9 reset.

Allowed values:
1: Reset: Reset the selected module

TIM11RST

Bit 18: TIM11 reset.

Allowed values:
1: Reset: Reset the selected module

SPI5RST

Bit 20: SPI5 reset.

Allowed values:
1: Reset: Reset the selected module

AHB1ENR

AHB1 peripheral clock register

Offset: 0x30, reset: 0x00100000, access: read-write

8/8 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
RNGEN rw									DMA2EN rw	DMA1EN rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
			CRCEN rw					GPIOHEN rw					GPIOCEN rw	GPIOBEN rw	GPIOAEN rw

Toggle Fields

GPIOAEN

Bit 0: IO port A clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

GPIOBEN

Bit 1: IO port B clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

GPIOCEN

Bit 2: IO port C clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

GPIOHEN

Bit 7: IO port H clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

CRCEN

Bit 12: CRC clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

DMA1EN

Bit 21: DMA1 clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

DMA2EN

Bit 22: DMA2 clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

RNGEN

Bit 31: RNG clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

APB1ENR

APB1 peripheral clock enable register

Offset: 0x40, reset: 0x00000000, access: read-write

12/12 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
		DACEN rw	PWREN rw				FMPI2C1EN rw		I2C2EN rw	I2C1EN rw				USART2EN rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
	SPI2EN rw			WWDGEN rw	RTCAPBEN rw	LPTIM1EN rw					TIM6EN rw	TIM5EN rw

Toggle Fields

TIM5EN

Bit 3: TIM5 clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

TIM6EN

Bit 4: TIM6 clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

LPTIM1EN

Bit 9: LPTIM1 clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

RTCAPBEN

Bit 10: RTC APB clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

WWDGEN

Bit 11: Window watchdog clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

SPI2EN

Bit 14: SPI2 clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

USART2EN

Bit 17: USART 2 clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

I2C1EN

Bit 21: I2C1 clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

I2C2EN

Bit 22: I2C2 clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

FMPI2C1EN

Bit 24: FMPI2C1 clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

PWREN

Bit 28: Power interface clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

DACEN

Bit 29: DAC interface clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

APB2ENR

APB2 peripheral clock enable register

Offset: 0x44, reset: 0x00000000, access: read-write

10/10 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
											SPI5EN rw		TIM11EN rw		TIM9EN rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
EXTITEN rw	SYSCFGEN rw		SPI1EN rw				ADC1EN rw			USART6EN rw	USART1EN rw				TIM1EN rw

Toggle Fields

TIM1EN

Bit 0: TIM1 clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

USART1EN

Bit 4: USART1 clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

USART6EN

Bit 5: USART6 clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

ADC1EN

Bit 8: ADC1 clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

SPI1EN

Bit 12: SPI1 clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

SYSCFGEN

Bit 14: System configuration controller clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

EXTITEN

Bit 15: EXTI ans external IT clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

TIM9EN

Bit 16: TIM9 clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

TIM11EN

Bit 18: TIM11 clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

SPI5EN

Bit 20: SPI5 clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

AHB1LPENR

AHB1 peripheral clock enable in low power mode register

Offset: 0x50, reset: 0x7E6791FF, access: read-write

10/10 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
RNGLPEN rw									DMA2LPEN rw	DMA1LPEN rw					SRAM1LPEN rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
FLITFLPEN rw			CRCLPEN rw					GPIOHLPEN rw					GPIOCLPEN rw	GPIOBLPEN rw	GPIOALPEN rw

Toggle Fields

GPIOALPEN

Bit 0: IO port A clock enable during sleep mode.

Allowed values:
0: DisabledInSleep: Selected module is disabled during Sleep mode
1: EnabledInSleep: Selected module is enabled during Sleep mode

GPIOBLPEN

Bit 1: IO port B clock enable during Sleep mode.

Allowed values:
0: DisabledInSleep: Selected module is disabled during Sleep mode
1: EnabledInSleep: Selected module is enabled during Sleep mode

GPIOCLPEN

Bit 2: IO port C clock enable during Sleep mode.

Allowed values:
0: DisabledInSleep: Selected module is disabled during Sleep mode
1: EnabledInSleep: Selected module is enabled during Sleep mode

GPIOHLPEN

Bit 7: IO port H clock enable during Sleep mode.

Allowed values:
0: DisabledInSleep: Selected module is disabled during Sleep mode
1: EnabledInSleep: Selected module is enabled during Sleep mode

CRCLPEN

Bit 12: CRC clock enable during Sleep mode.

Allowed values:
0: DisabledInSleep: Selected module is disabled during Sleep mode
1: EnabledInSleep: Selected module is enabled during Sleep mode

FLITFLPEN

Bit 15: Flash interface clock enable during Sleep mode.

Allowed values:
0: DisabledInSleep: Selected module is disabled during Sleep mode
1: EnabledInSleep: Selected module is enabled during Sleep mode

SRAM1LPEN

Bit 16: SRAM 1interface clock enable during Sleep mode.

Allowed values:
0: DisabledInSleep: Selected module is disabled during Sleep mode
1: EnabledInSleep: Selected module is enabled during Sleep mode

DMA1LPEN

Bit 21: DMA1 clock enable during Sleep mode.

Allowed values:
0: DisabledInSleep: Selected module is disabled during Sleep mode
1: EnabledInSleep: Selected module is enabled during Sleep mode

DMA2LPEN

Bit 22: DMA2 clock enable during Sleep mode.

Allowed values:
0: DisabledInSleep: Selected module is disabled during Sleep mode
1: EnabledInSleep: Selected module is enabled during Sleep mode

RNGLPEN

Bit 31: RNG clock enable during sleep mode.

Allowed values:
0: DisabledInSleep: Selected module is disabled during Sleep mode
1: EnabledInSleep: Selected module is enabled during Sleep mode

APB1LPENR

APB1 peripheral clock enable in low power mode register

Offset: 0x60, reset: 0x36FEC9FF, access: read-write

12/12 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
		DACLPEN rw	PWRLPEN rw				FMPI2C1LPEN rw		I2C2LPEN rw	I2C1LPEN rw				USART2LPEN rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
	SPI2LPEN rw			WWDGLPEN rw	RTCAPBLPEN rw	LPTIM1LPEN rw					TIM6LPEN rw	TIM5LPEN rw

Toggle Fields

TIM5LPEN

Bit 3: TIM5 clock enable during Sleep mode.

Allowed values:
0: DisabledInSleep: Selected module is disabled during Sleep mode
1: EnabledInSleep: Selected module is enabled during Sleep mode

TIM6LPEN

Bit 4: TIM6 clock enable during Sleep mode.

Allowed values:
0: DisabledInSleep: Selected module is disabled during Sleep mode
1: EnabledInSleep: Selected module is enabled during Sleep mode

LPTIM1LPEN

Bit 9: LPTIM1 clock enable during sleep mode.

Allowed values:
0: DisabledInSleep: Selected module is disabled during Sleep mode
1: EnabledInSleep: Selected module is enabled during Sleep mode

RTCAPBLPEN

Bit 10: RTC APB clock enable during sleep mode.

Allowed values:
0: DisabledInSleep: Selected module is disabled during Sleep mode
1: EnabledInSleep: Selected module is enabled during Sleep mode

WWDGLPEN

Bit 11: Window watchdog clock enable during Sleep mode.

Allowed values:
0: DisabledInSleep: Selected module is disabled during Sleep mode
1: EnabledInSleep: Selected module is enabled during Sleep mode

SPI2LPEN

Bit 14: SPI2 clock enable during Sleep mode.

Allowed values:
0: DisabledInSleep: Selected module is disabled during Sleep mode
1: EnabledInSleep: Selected module is enabled during Sleep mode

USART2LPEN

Bit 17: USART2 clock enable during Sleep mode.

Allowed values:
0: DisabledInSleep: Selected module is disabled during Sleep mode
1: EnabledInSleep: Selected module is enabled during Sleep mode

I2C1LPEN

Bit 21: I2C1 clock enable during Sleep mode.

Allowed values:
0: DisabledInSleep: Selected module is disabled during Sleep mode
1: EnabledInSleep: Selected module is enabled during Sleep mode

I2C2LPEN

Bit 22: I2C2 clock enable during Sleep mode.

Allowed values:
0: DisabledInSleep: Selected module is disabled during Sleep mode
1: EnabledInSleep: Selected module is enabled during Sleep mode

FMPI2C1LPEN

Bit 24: FMPI2C1 clock enable during Sleep.

Allowed values:
0: DisabledInSleep: Selected module is disabled during Sleep mode
1: EnabledInSleep: Selected module is enabled during Sleep mode

PWRLPEN

Bit 28: Power interface clock enable during Sleep mode.

Allowed values:
0: DisabledInSleep: Selected module is disabled during Sleep mode
1: EnabledInSleep: Selected module is enabled during Sleep mode

DACLPEN

Bit 29: DAC interface clock enable during sleep mode.

Allowed values:
0: DisabledInSleep: Selected module is disabled during Sleep mode
1: EnabledInSleep: Selected module is enabled during Sleep mode

APB2LPENR

APB2 peripheral clock enabled in low power mode register

Offset: 0x64, reset: 0x00075F33, access: read-write

11/11 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
											SPI5LPEN rw		TIM11LPEN rw		TIM9LPEN rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
EXTITLPEN rw	SYSCFGLPEN rw		SPI1LPEN rw	SDIOLPEN rw			ADC1LPEN rw			USART6LPEN rw	USART1LPEN rw				TIM1LPEN rw

Toggle Fields

TIM1LPEN

Bit 0: TIM1 clock enable during Sleep mode.

Allowed values:
0: DisabledInSleep: Selected module is disabled during Sleep mode
1: EnabledInSleep: Selected module is enabled during Sleep mode

USART1LPEN

Bit 4: USART1 clock enable during Sleep mode.

Allowed values:
0: DisabledInSleep: Selected module is disabled during Sleep mode
1: EnabledInSleep: Selected module is enabled during Sleep mode

USART6LPEN

Bit 5: USART6 clock enable during Sleep mode.

Allowed values:
0: DisabledInSleep: Selected module is disabled during Sleep mode
1: EnabledInSleep: Selected module is enabled during Sleep mode

ADC1LPEN

Bit 8: ADC1 clock enable during Sleep mode.

Allowed values:
0: DisabledInSleep: Selected module is disabled during Sleep mode
1: EnabledInSleep: Selected module is enabled during Sleep mode

SDIOLPEN

Bit 11: SDIO clock enable during Sleep mode.

Allowed values:
0: DisabledInSleep: Selected module is disabled during Sleep mode
1: EnabledInSleep: Selected module is enabled during Sleep mode

SPI1LPEN

Bit 12: SPI 1 clock enable during Sleep mode.

Allowed values:
0: DisabledInSleep: Selected module is disabled during Sleep mode
1: EnabledInSleep: Selected module is enabled during Sleep mode

SYSCFGLPEN

Bit 14: System configuration controller clock enable during Sleep mode.

Allowed values:
0: DisabledInSleep: Selected module is disabled during Sleep mode
1: EnabledInSleep: Selected module is enabled during Sleep mode

EXTITLPEN

Bit 15: EXTI and External IT clock enable during sleep mode.

Allowed values:
0: DisabledInSleep: Selected module is disabled during Sleep mode
1: EnabledInSleep: Selected module is enabled during Sleep mode

TIM9LPEN

Bit 16: TIM9 clock enable during sleep mode.

Allowed values:
0: DisabledInSleep: Selected module is disabled during Sleep mode
1: EnabledInSleep: Selected module is enabled during Sleep mode

TIM11LPEN

Bit 18: TIM11 clock enable during Sleep mode.

Allowed values:
0: DisabledInSleep: Selected module is disabled during Sleep mode
1: EnabledInSleep: Selected module is enabled during Sleep mode

SPI5LPEN

Bit 20: SPI5 clock enable during Sleep mode.

Allowed values:
0: DisabledInSleep: Selected module is disabled during Sleep mode
1: EnabledInSleep: Selected module is enabled during Sleep mode

BDCR

Backup domain control register

Offset: 0x70, reset: 0x00000000, access: Unspecified

6/6 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
															BDRST rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
RTCEN rw						RTCSEL N/A							LSEBYP rw	LSERDY r	LSEON rw

Toggle Fields

LSEON

Bit 0: External low-speed oscillator enable.

Allowed values:
0: Off: LSE oscillator Off
1: On: LSE oscillator On

LSERDY

Bit 1: External low-speed oscillator ready.

Allowed values:
0: NotReady: LSE oscillator not ready
1: Ready: LSE oscillator ready

LSEBYP

Bit 2: External low-speed oscillator bypass.

Allowed values:
0: NotBypassed: LSE crystal oscillator not bypassed
1: Bypassed: LSE crystal oscillator bypassed with external clock

RTCSEL

Bits 8-9: RTC clock source selection.

Allowed values:
0: NoClock: No clock
1: LSE: LSE oscillator clock used as RTC clock
2: LSI: LSI oscillator clock used as RTC clock
3: HSE: HSE oscillator clock divided by a prescaler used as RTC clock

RTCEN

Bit 15: RTC clock enable.

Allowed values:
0: Disabled: RTC clock disabled
1: Enabled: RTC clock enabled

BDRST

Bit 16: Backup domain software reset.

Allowed values:
0: Disabled: Reset not activated
1: Enabled: Reset the entire RTC domain

CSR

clock control & status register

Offset: 0x74, reset: 0x0E000000, access: Unspecified

10/10 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
LPWRRSTF rw	WWDGRSTF rw	WDGRSTF rw	SFTRSTF rw	PORRSTF rw	PADRSTF rw	BORRSTF rw	RMVF rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
														LSIRDY r	LSION rw

Toggle Fields

LSION

Bit 0: Internal low-speed oscillator enable.

Allowed values:
0: Off: LSI oscillator Off
1: On: LSI oscillator On

LSIRDY

Bit 1: Internal low-speed oscillator ready.

Allowed values:
0: NotReady: LSI oscillator not ready
1: Ready: LSI oscillator ready

RMVF

Bit 24: Remove reset flag.

Allowed values:
1: Clear: Clears the reset flag

BORRSTF

Bit 25: BOR reset flag.

Allowed values:
0: NoReset: No reset has occured
1: Reset: A reset has occured

PADRSTF

Bit 26: PIN reset flag.

Allowed values:
0: NoReset: No reset has occured
1: Reset: A reset has occured

PORRSTF

Bit 27: POR/PDR reset flag.

Allowed values:
0: NoReset: No reset has occured
1: Reset: A reset has occured

SFTRSTF

Bit 28: Software reset flag.

Allowed values:
0: NoReset: No reset has occured
1: Reset: A reset has occured

WDGRSTF

Bit 29: Independent watchdog reset flag.

Allowed values:
0: NoReset: No reset has occured
1: Reset: A reset has occured

WWDGRSTF

Bit 30: Window watchdog reset flag.

Allowed values:
0: NoReset: No reset has occured
1: Reset: A reset has occured

LPWRRSTF

Bit 31: Low-power reset flag.

Allowed values:
0: NoReset: No reset has occured
1: Reset: A reset has occured

SSCGR

spread spectrum clock generation register

Offset: 0x80, reset: 0x00000000, access: read-write

4/4 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
SSCGEN rw	SPREADSEL rw			INCSTEP rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
INCSTEP rw			MODPER rw

Toggle Fields

MODPER

Bits 0-12: Modulation period.

Allowed values: 0x0-0x1fff

INCSTEP

Bits 13-27: Incrementation step.

Allowed values: 0x0-0x7fff

SPREADSEL

Bit 30: Spread Select.

Allowed values:
0: Center: Center spread
1: Down: Down spread

SSCGEN

Bit 31: Spread spectrum modulation enable.

Allowed values:
0: Disabled: Spread spectrum modulation disabled
1: Enabled: Spread spectrum modulation enabled

DCKCFGR

DCKCFGR register

Offset: 0x8c, reset: 0x00000000, access: read-write

2/2 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
					I2SSRC rw		TIMPRE rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0

Toggle Fields

TIMPRE

Bit 24: TIMPRE.

Allowed values:
0: Mul2: If the APB prescaler is configured 1, TIMxCLK = PCLKx. Otherwise, TIMxCLK = 2xPCLKx
1: Mul4: If the APB prescaler is configured 1, 2 or 4, TIMxCLK = HCLK. Otherwise, TIMxCLK = 4xPCLKx

I2SSRC

Bits 25-26: I2SSRC.

Allowed values:
0: PLLCLKR: I2Sx clock frequency = f(PLLCLK_R)
1: I2S_CKIN: I2Sx clock frequency = I2S_CKIN Alternate function input frequency
3: HSI_HSE: I2Sx clock frequency = HSI/HSE depends on PLLSRC bit (PLLCFGR[22])

DCKCFGR2

DCKCFGR2 register

Offset: 0x94, reset: 0x00000000, access: read-write

2/2 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
LPTIM1SEL rw								FMPI2C1SEL rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0

Toggle Fields

FMPI2C1SEL

Bits 22-23: FMPI2C1 kernel clock source selection.

Allowed values:
0: APB: APB clock selected as I2C clock
1: SYSCLK: System clock selected as I2C clock
2: HSI: HSI clock selected as I2C clock

LPTIM1SEL

Bits 30-31: LPTIM1SEL.

Allowed values:
0: APB1: APB1 clock (PCLK1) selected as LPTILM1 clock
1: LSI: LSI clock is selected as LPTILM1 clock
2: HSI: HSI clock is selected as LPTILM1 clock
3: LSE: LSE clock is selected as LPTILM1 clock

RNG

0x40080000: Random number generator

4/8 fields covered. Toggle Registers

Show register map

Offset	Name	31	15	6	5	3	2	1	0
0x0	CR					IE	RNGEN
0x4	SR			SEIS	CEIS		SECS	CECS	DRDY
0x8	DR	RNDATA	RNDATA

CR

control register

Offset: 0x0, reset: 0x00000000, access: read-write

0/2 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
												IE rw	RNGEN rw

Toggle Fields

RNGEN

Bit 2: Random number generator enable.

IE

Bit 3: Interrupt enable.

SR

status register

Offset: 0x4, reset: 0x00000000, access: Unspecified

3/5 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
									SEIS rw	CEIS rw			SECS r	CECS r	DRDY r

Toggle Fields

DRDY

Bit 0: Data ready.

CECS

Bit 1: Clock error current status.

SECS

Bit 2: Seed error current status.

CEIS

Bit 5: Clock error interrupt status.

SEIS

Bit 6: Seed error interrupt status.

DR

data register

Offset: 0x8, reset: 0x00000000, access: read-only

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
RNDATA r
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
RNDATA r

Toggle Fields

RNDATA

Bits 0-31: Random data.

RTC

0x40002800: Real-time clock

126/142 fields covered. Toggle Registers

Show register map

Offset	Name	31	30	29	27	23	22	21	20	19	18	17	16	15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
0x0	TR						PM	HT		HU					MNT			MNU					ST			SU
0x4	DR					YT				YU				WDU			MT	MU						DT		DU
0x8	CR					COE	OSEL		POL	COSEL	BKP	SUB1H	ADD1H	TSIE	WUTIE	ALRBIE	ALRAIE	TSE	WUTE	ALRBE	ALRAE	DCE	FMT	BYPSHAD	REFCKON	TSEDGE	WUCKSEL
0xc	ISR												RECALPF		TAMP2F	TAMP1F	TSOVF	TSF	WUTF	ALRBF	ALRAF	INIT	INITF	RSF	INITS	SHPF	WUTWF	ALRBWF	ALRAWF
0x10	PRER						PREDIV_A								PREDIV_S
0x14	WUTR													WUT
0x18	CALIBR																					DCS			DC
0x1c	ALRMAR	MSK4	WDSEL	DT	DU	MSK3	PM	HT		HU				MSK2	MNT			MNU				MSK1	ST			SU
0x20	ALRMBR	MSK4	WDSEL	DT	DU	MSK3	PM	HT		HU				MSK2	MNT			MNU				MSK1	ST			SU
0x24	WPR																					KEY
0x28	SSR													SS
0x2c	SHIFTR	ADD1S													SUBFS
0x30	TSTR						PM	HT		HU					MNT			MNU					ST			SU
0x34	TSDR													WDU			MT	MU						DT		DU
0x38	TSSSR													SS
0x3c	CALR													CALP	CALW8	CALW16					CALM
0x40	TAFCR										ALARMOUTTYPE	TSINSEL	TAMP1INSEL	TAMPPUDIS	TAMPPRCH		TAMPFLT		TAMPFREQ			TAMPTS			TAMP2TRG	TAMP2E	TAMPIE	TAMP1TRG	TAMP1E
0x44	ALRMASSR				MASKSS										SS
0x48	ALRMBSSR				MASKSS										SS
0x50	BKP[0]R	BKP												BKP
0x54	BKP[1]R	BKP												BKP
0x58	BKP[2]R	BKP												BKP
0x5c	BKP[3]R	BKP												BKP
0x60	BKP[4]R	BKP												BKP
0x64	BKP[5]R	BKP												BKP
0x68	BKP[6]R	BKP												BKP
0x6c	BKP[7]R	BKP												BKP
0x70	BKP[8]R	BKP												BKP
0x74	BKP[9]R	BKP												BKP
0x78	BKP[10]R	BKP												BKP
0x7c	BKP[11]R	BKP												BKP
0x80	BKP[12]R	BKP												BKP
0x84	BKP[13]R	BKP												BKP
0x88	BKP[14]R	BKP												BKP
0x8c	BKP[15]R	BKP												BKP
0x90	BKP[16]R	BKP												BKP
0x94	BKP[17]R	BKP												BKP
0x98	BKP[18]R	BKP												BKP
0x9c	BKP[19]R	BKP												BKP

TR

time register

Offset: 0x0, reset: 0x00000000, access: read-write

7/7 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
									PM rw	HT rw		HU rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
	MNT rw			MNU rw					ST rw			SU rw

Toggle Fields

SU

Bits 0-3: Second units in BCD format.

Allowed values: 0x0-0xf

ST

Bits 4-6: Second tens in BCD format.

Allowed values: 0x0-0x7

MNU

Bits 8-11: Minute units in BCD format.

Allowed values: 0x0-0xf

MNT

Bits 12-14: Minute tens in BCD format.

Allowed values: 0x0-0x7

HU

Bits 16-19: Hour units in BCD format.

Allowed values: 0x0-0xf

HT

Bits 20-21: Hour tens in BCD format.

Allowed values: 0x0-0x3

PM

Bit 22: AM/PM notation.

Allowed values:
0: AM: AM or 24-hour format
1: PM: PM

DR

date register

Offset: 0x4, reset: 0x00002101, access: read-write

7/7 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
								YT rw				YU rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
WDU rw			MT rw	MU rw						DT rw		DU rw

Toggle Fields

DU

Bits 0-3: Date units in BCD format.

Allowed values: 0x0-0xf

DT

Bits 4-5: Date tens in BCD format.

Allowed values: 0x0-0x3

MU

Bits 8-11: Month units in BCD format.

Allowed values: 0x0-0xf

MT

Bit 12: Month tens in BCD format.

Allowed values: 0x0-0x1

WDU

Bits 13-15: Week day units.

Allowed values: 0x1-0x7

YU

Bits 16-19: Year units in BCD format.

Allowed values: 0x0-0xf

YT

Bits 20-23: Year tens in BCD format.

Allowed values: 0x0-0xf

CR

control register

Offset: 0x8, reset: 0x00000000, access: read-write

20/21 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
								COE rw	OSEL rw		POL rw	COSEL rw	BKP rw	SUB1H rw	ADD1H rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
TSIE rw	WUTIE rw	ALRBIE rw	ALRAIE rw	TSE rw	WUTE rw	ALRBE rw	ALRAE rw	DCE rw	FMT rw	BYPSHAD rw	REFCKON rw	TSEDGE rw	WUCKSEL rw

Toggle Fields

WUCKSEL

Bits 0-2: Wakeup clock selection.

Allowed values:
0: Div16: RTC/16 clock is selected
1: Div8: RTC/8 clock is selected
2: Div4: RTC/4 clock is selected
3: Div2: RTC/2 clock is selected
4: ClockSpare: ck_spre (usually 1 Hz) clock is selected
6: ClockSpareWithOffset: ck_spre (usually 1 Hz) clock is selected and 2^16 is added to the WUT counter value

TSEDGE

Bit 3: Time-stamp event active edge.

Allowed values:
0: RisingEdge: RTC_TS input rising edge generates a time-stamp event
1: FallingEdge: RTC_TS input falling edge generates a time-stamp event

REFCKON

Bit 4: Reference clock detection enable (50 or 60 Hz).

Allowed values:
0: Disabled: RTC_REFIN detection disabled
1: Enabled: RTC_REFIN detection enabled

BYPSHAD

Bit 5: Bypass the shadow registers.

Allowed values:
0: ShadowReg: Calendar values (when reading from RTC_SSR, RTC_TR, and RTC_DR) are taken from the shadow registers, which are updated once every two RTCCLK cycles
1: BypassShadowReg: Calendar values (when reading from RTC_SSR, RTC_TR, and RTC_DR) are taken directly from the calendar counters

FMT

Bit 6: Hour format.

Allowed values:
0: Twenty_Four_Hour: 24 hour/day format
1: AM_PM: AM/PM hour format

DCE

Bit 7: Coarse digital calibration enable.

ALRAE

Bit 8: Alarm A enable.

Allowed values:
0: Disabled: Alarm A disabled
1: Enabled: Alarm A enabled

ALRBE

Bit 9: Alarm B enable.

Allowed values:
0: Disabled: Alarm B disabled
1: Enabled: Alarm B enabled

WUTE

Bit 10: Wakeup timer enable.

Allowed values:
0: Disabled: Wakeup timer disabled
1: Enabled: Wakeup timer enabled

TSE

Bit 11: Time stamp enable.

Allowed values:
0: Disabled: Timestamp disabled
1: Enabled: Timestamp enabled

ALRAIE

Bit 12: Alarm A interrupt enable.

Allowed values:
0: Disabled: Alarm A interrupt disabled
1: Enabled: Alarm A interrupt enabled

ALRBIE

Bit 13: Alarm B interrupt enable.

Allowed values:
0: Disabled: Alarm B Interrupt disabled
1: Enabled: Alarm B Interrupt enabled

WUTIE

Bit 14: Wakeup timer interrupt enable.

Allowed values:
0: Disabled: Wakeup timer interrupt disabled
1: Enabled: Wakeup timer interrupt enabled

TSIE

Bit 15: Time-stamp interrupt enable.

Allowed values:
0: Disabled: Time-stamp Interrupt disabled
1: Enabled: Time-stamp Interrupt enabled

ADD1H

Bit 16: Add 1 hour (summer time change).

Allowed values:
1: Add1: Adds 1 hour to the current time. This can be used for summer time change outside initialization mode

SUB1H

Bit 17: Subtract 1 hour (winter time change).

Allowed values:
1: Sub1: Subtracts 1 hour to the current time. This can be used for winter time change outside initialization mode

BKP

Bit 18: Backup.

Allowed values:
0: DST_Not_Changed: Daylight Saving Time change has not been performed
1: DST_Changed: Daylight Saving Time change has been performed

COSEL

Bit 19: Calibration Output selection.

Allowed values:
0: CalFreq_512Hz: Calibration output is 512 Hz (with default prescaler setting)
1: CalFreq_1Hz: Calibration output is 1 Hz (with default prescaler setting)

POL

Bit 20: Output polarity.

Allowed values:
0: High: The pin is high when ALRAF/ALRBF/WUTF is asserted (depending on OSEL[1:0])
1: Low: The pin is low when ALRAF/ALRBF/WUTF is asserted (depending on OSEL[1:0])

OSEL

Bits 21-22: Output selection.

Allowed values:
0: Disabled: Output disabled
1: AlarmA: Alarm A output enabled
2: AlarmB: Alarm B output enabled
3: Wakeup: Wakeup output enabled

COE

Bit 23: Calibration output enable.

Allowed values:
0: Disabled: Calibration output disabled
1: Enabled: Calibration output enabled

ISR

initialization and status register

Offset: 0xc, reset: 0x00000007, access: Unspecified

16/16 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
															RECALPF r
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
	TAMP2F rw	TAMP1F rw	TSOVF rw	TSF rw	WUTF rw	ALRBF rw	ALRAF rw	INIT rw	INITF r	RSF rw	INITS r	SHPF rw	WUTWF r	ALRBWF r	ALRAWF r

Toggle Fields

ALRAWF

Bit 0: Alarm A write flag.

Allowed values:
0: UpdateNotAllowed: Alarm update not allowed
1: UpdateAllowed: Alarm update allowed

ALRBWF

Bit 1: Alarm B write flag.

Allowed values:
0: UpdateNotAllowed: Alarm update not allowed
1: UpdateAllowed: Alarm update allowed

WUTWF

Bit 2: Wakeup timer write flag.

Allowed values:
0: UpdateNotAllowed: Wakeup timer configuration update not allowed
1: UpdateAllowed: Wakeup timer configuration update allowed

SHPF

Bit 3: Shift operation pending.

Allowed values:
0: NoShiftPending: No shift operation is pending
1: ShiftPending: A shift operation is pending

INITS

Bit 4: Initialization status flag.

Allowed values:
0: NotInitalized: Calendar has not been initialized
1: Initalized: Calendar has been initialized

RSF

Bit 5: Registers synchronization flag.

Allowed values:
0: NotSynced: Calendar shadow registers not yet synchronized
1: Synced: Calendar shadow registers synchronized

INITF

Bit 6: Initialization flag.

Allowed values:
0: NotAllowed: Calendar registers update is not allowed
1: Allowed: Calendar registers update is allowed

INIT

Bit 7: Initialization mode.

Allowed values:
0: FreeRunningMode: Free running mode
1: InitMode: Initialization mode used to program time and date register (RTC_TR and RTC_DR), and prescaler register (RTC_PRER). Counters are stopped and start counting from the new value when INIT is reset.

ALRAF

Bit 8: Alarm A flag.

Allowed values:
1: Match: This flag is set by hardware when the time/date registers (RTC_TR and RTC_DR) match the Alarm A register (RTC_ALRMAR)

ALRBF

Bit 9: Alarm B flag.

Allowed values:
1: Match: This flag is set by hardware when the time/date registers (RTC_TR and RTC_DR) match the Alarm B register (RTC_ALRMBR)

WUTF

Bit 10: Wakeup timer flag.

Allowed values:
1: Zero: This flag is set by hardware when the wakeup auto-reload counter reaches 0

TSF

Bit 11: Time-stamp flag.

Allowed values:
1: TimestampEvent: This flag is set by hardware when a time-stamp event occurs

TSOVF

Bit 12: Time-stamp overflow flag.

Allowed values:
1: Overflow: This flag is set by hardware when a time-stamp event occurs while TSF is already set

TAMP1F

Bit 13: Tamper detection flag.

Allowed values:
1: Tampered: This flag is set by hardware when a tamper detection event is detected on the RTC_TAMPx input

TAMP2F

Bit 14: TAMPER2 detection flag.

Allowed values:
1: Tampered: This flag is set by hardware when a tamper detection event is detected on the RTC_TAMPx input

RECALPF

Bit 16: Recalibration pending Flag.

Allowed values:
1: Pending: The RECALPF status flag is automatically set to 1 when software writes to the RTC_CALR register, indicating that the RTC_CALR register is blocked. When the new calibration settings are taken into account, this bit returns to 0

PRER

prescaler register

Offset: 0x10, reset: 0x007F00FF, access: read-write

2/2 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
									PREDIV_A rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
	PREDIV_S rw

Toggle Fields

PREDIV_S

Bits 0-14: Synchronous prescaler factor.

Allowed values: 0x0-0x7fff

PREDIV_A

Bits 16-22: Asynchronous prescaler factor.

Allowed values: 0x0-0x7f

WUTR

wakeup timer register

Offset: 0x14, reset: 0x0000FFFF, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
WUT rw

Toggle Fields

WUT

Bits 0-15: Wakeup auto-reload value bits.

Allowed values: 0x0-0xffff

CALIBR

calibration register

Offset: 0x18, reset: 0x00000000, access: read-write

0/2 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
								DCS rw			DC rw

Toggle Fields

DC

Bits 0-4: Digital calibration.

DCS

Bit 7: Digital calibration sign.

ALRMAR

alarm A register

Offset: 0x1c, reset: 0x00000000, access: read-write

14/14 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
MSK4 rw	WDSEL rw	DT rw		DU rw				MSK3 rw	PM rw	HT rw		HU rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
MSK2 rw	MNT rw			MNU rw				MSK1 rw	ST rw			SU rw

Toggle Fields

SU

Bits 0-3: Second units in BCD format.

Allowed values: 0x0-0xf

ST

Bits 4-6: Second tens in BCD format.

Allowed values: 0x0-0x7

MSK1

Bit 7: Alarm A seconds mask.

Allowed values:
0: Mask: Alarm set if the date/day match
1: NotMask: Date/day don’t care in Alarm comparison

MNU

Bits 8-11: Minute units in BCD format.

Allowed values: 0x0-0xf

MNT

Bits 12-14: Minute tens in BCD format.

Allowed values: 0x0-0x7

MSK2

Bit 15: Alarm A minutes mask.

Allowed values:
0: Mask: Alarm set if the date/day match
1: NotMask: Date/day don’t care in Alarm comparison

HU

Bits 16-19: Hour units in BCD format.

Allowed values: 0x0-0xf

HT

Bits 20-21: Hour tens in BCD format.

Allowed values: 0x0-0x3

PM

Bit 22: AM/PM notation.

Allowed values:
0: AM: AM or 24-hour format
1: PM: PM

MSK3

Bit 23: Alarm A hours mask.

Allowed values:
0: Mask: Alarm set if the date/day match
1: NotMask: Date/day don’t care in Alarm comparison

DU

Bits 24-27: Date units or day in BCD format.

Allowed values: 0x0-0xf

DT

Bits 28-29: Date tens in BCD format.

Allowed values: 0x0-0x3

WDSEL

Bit 30: Week day selection.

Allowed values:
0: DateUnits: DU[3:0] represents the date units
1: WeekDay: DU[3:0] represents the week day. DT[1:0] is don’t care.

MSK4

Bit 31: Alarm A date mask.

Allowed values:
0: Mask: Alarm set if the date/day match
1: NotMask: Date/day don’t care in Alarm comparison

ALRMBR

alarm B register

Offset: 0x20, reset: 0x00000000, access: read-write

14/14 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
MSK4 rw	WDSEL rw	DT rw		DU rw				MSK3 rw	PM rw	HT rw		HU rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
MSK2 rw	MNT rw			MNU rw				MSK1 rw	ST rw			SU rw

Toggle Fields

SU

Bits 0-3: Second units in BCD format.

Allowed values: 0x0-0xf

ST

Bits 4-6: Second tens in BCD format.

Allowed values: 0x0-0x7

MSK1

Bit 7: Alarm B seconds mask.

Allowed values:
0: Mask: Alarm set if the date/day match
1: NotMask: Date/day don’t care in Alarm comparison

MNU

Bits 8-11: Minute units in BCD format.

Allowed values: 0x0-0xf

MNT

Bits 12-14: Minute tens in BCD format.

Allowed values: 0x0-0x7

MSK2

Bit 15: Alarm B minutes mask.

Allowed values:
0: Mask: Alarm set if the date/day match
1: NotMask: Date/day don’t care in Alarm comparison

HU

Bits 16-19: Hour units in BCD format.

Allowed values: 0x0-0xf

HT

Bits 20-21: Hour tens in BCD format.

Allowed values: 0x0-0x3

PM

Bit 22: AM/PM notation.

Allowed values:
0: AM: AM or 24-hour format
1: PM: PM

MSK3

Bit 23: Alarm B hours mask.

Allowed values:
0: Mask: Alarm set if the date/day match
1: NotMask: Date/day don’t care in Alarm comparison

DU

Bits 24-27: Date units or day in BCD format.

Allowed values: 0x0-0xf

DT

Bits 28-29: Date tens in BCD format.

Allowed values: 0x0-0x3

WDSEL

Bit 30: Week day selection.

Allowed values:
0: DateUnits: DU[3:0] represents the date units
1: WeekDay: DU[3:0] represents the week day. DT[1:0] is don’t care.

MSK4

Bit 31: Alarm B date mask.

Allowed values:
0: Mask: Alarm set if the date/day match
1: NotMask: Date/day don’t care in Alarm comparison

WPR

write protection register

Offset: 0x24, reset: 0x00000000, access: write-only

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
								KEY w

Toggle Fields

KEY

Bits 0-7: Write protection key.

Allowed values: 0x0-0xff

SSR

sub second register

Offset: 0x28, reset: 0x00000000, access: read-only

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
SS r

Toggle Fields

SS

Bits 0-15: Sub second value.

Allowed values: 0x0-0xffff

SHIFTR

shift control register

Offset: 0x2c, reset: 0x00000000, access: write-only

2/2 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
ADD1S w
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
	SUBFS w

Toggle Fields

SUBFS

Bits 0-14: Subtract a fraction of a second.

Allowed values: 0x0-0x7fff

ADD1S

Bit 31: Add one second.

Allowed values:
1: Add1: Add one second to the clock/calendar

TSTR

time stamp time register

Offset: 0x30, reset: 0x00000000, access: read-only

7/7 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
									PM r	HT r		HU r
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
	MNT r			MNU r					ST r			SU r

Toggle Fields

SU

Bits 0-3: Second units in BCD format.

ST

Bits 4-6: Second tens in BCD format.

MNU

Bits 8-11: Minute units in BCD format.

MNT

Bits 12-14: Minute tens in BCD format.

HU

Bits 16-19: Hour units in BCD format.

HT

Bits 20-21: Hour tens in BCD format.

PM

Bit 22: AM/PM notation.

TSDR

time stamp date register

Offset: 0x34, reset: 0x00000000, access: read-only

5/5 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
WDU r			MT r	MU r						DT r		DU r

Toggle Fields

DU

Bits 0-3: Date units in BCD format.

DT

Bits 4-5: Date tens in BCD format.

MU

Bits 8-11: Month units in BCD format.

MT

Bit 12: Month tens in BCD format.

WDU

Bits 13-15: Week day units.

TSSSR

timestamp sub second register

Offset: 0x38, reset: 0x00000000, access: read-only

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
SS r

Toggle Fields

SS

Bits 0-15: Sub second value.

CALR

calibration register

Offset: 0x3c, reset: 0x00000000, access: read-write

4/4 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
CALP rw	CALW8 rw	CALW16 rw					CALM rw

Toggle Fields

CALM

Bits 0-8: Calibration minus.

Allowed values: 0x0-0x1ff

CALW16

Bit 13: Use a 16-second calibration cycle period.

Allowed values:
1: Sixteen_Second: When CALW16 is set to ‘1’, the 16-second calibration cycle period is selected.This bit must not be set to ‘1’ if CALW8=1

CALW8

Bit 14: Use an 8-second calibration cycle period.

Allowed values:
1: Eight_Second: When CALW8 is set to ‘1’, the 8-second calibration cycle period is selected

CALP

Bit 15: Increase frequency of RTC by 488.5 ppm.

Allowed values:
0: NoChange: No RTCCLK pulses are added
1: IncreaseFreq: One RTCCLK pulse is effectively inserted every 2^11 pulses (frequency increased by 488.5 ppm)

TAFCR

tamper and alternate function configuration register

Offset: 0x40, reset: 0x00000000, access: read-write

0/13 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
													ALARMOUTTYPE rw	TSINSEL rw	TAMP1INSEL rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
TAMPPUDIS rw	TAMPPRCH rw		TAMPFLT rw		TAMPFREQ rw			TAMPTS rw			TAMP2TRG rw	TAMP2E rw	TAMPIE rw	TAMP1TRG rw	TAMP1E rw

Toggle Fields

TAMP1E

Bit 0: Tamper 1 detection enable.

TAMP1TRG

Bit 1: Active level for tamper 1.

TAMPIE

Bit 2: Tamper interrupt enable.

TAMP2E

Bit 3: Tamper 2 detection enable.

TAMP2TRG

Bit 4: Active level for tamper 2.

TAMPTS

Bit 7: Activate timestamp on tamper detection event.

TAMPFREQ

Bits 8-10: Tamper sampling frequency.

TAMPFLT

Bits 11-12: Tamper filter count.

TAMPPRCH

Bits 13-14: Tamper precharge duration.

TAMPPUDIS

Bit 15: TAMPER pull-up disable.

TAMP1INSEL

Bit 16: TAMPER1 mapping.

TSINSEL

Bit 17: TIMESTAMP mapping.

ALARMOUTTYPE

Bit 18: AFO_ALARM output type.

ALRMASSR

alarm A sub second register

Offset: 0x44, reset: 0x00000000, access: read-write

2/2 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
				MASKSS rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
	SS rw

Toggle Fields

SS

Bits 0-14: Sub seconds value.

Allowed values: 0x0-0x7fff

MASKSS

Bits 24-27: Mask the most-significant bits starting at this bit.

Allowed values: 0x0-0xf

ALRMBSSR

alarm B sub second register

Offset: 0x48, reset: 0x00000000, access: read-write

2/2 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
				MASKSS rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
	SS rw

Toggle Fields

SS

Bits 0-14: Sub seconds value.

Allowed values: 0x0-0x7fff

MASKSS

Bits 24-27: Mask the most-significant bits starting at this bit.

Allowed values: 0x0-0xf

BKP[0]R

backup register

Offset: 0x50, reset: 0x00000000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
BKP rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
BKP rw

Toggle Fields

BKP

Bits 0-31: BKP.

Allowed values: 0x0-0xffffffff

BKP[1]R

backup register

Offset: 0x54, reset: 0x00000000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
BKP rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
BKP rw

Toggle Fields

BKP

Bits 0-31: BKP.

Allowed values: 0x0-0xffffffff

BKP[2]R

backup register

Offset: 0x58, reset: 0x00000000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
BKP rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
BKP rw

Toggle Fields

BKP

Bits 0-31: BKP.

Allowed values: 0x0-0xffffffff

BKP[3]R

backup register

Offset: 0x5c, reset: 0x00000000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
BKP rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
BKP rw

Toggle Fields

BKP

Bits 0-31: BKP.

Allowed values: 0x0-0xffffffff

BKP[4]R

backup register

Offset: 0x60, reset: 0x00000000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
BKP rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
BKP rw

Toggle Fields

BKP

Bits 0-31: BKP.

Allowed values: 0x0-0xffffffff

BKP[5]R

backup register

Offset: 0x64, reset: 0x00000000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
BKP rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
BKP rw

Toggle Fields

BKP

Bits 0-31: BKP.

Allowed values: 0x0-0xffffffff

BKP[6]R

backup register

Offset: 0x68, reset: 0x00000000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
BKP rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
BKP rw

Toggle Fields

BKP

Bits 0-31: BKP.

Allowed values: 0x0-0xffffffff

BKP[7]R

backup register

Offset: 0x6c, reset: 0x00000000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
BKP rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
BKP rw

Toggle Fields

BKP

Bits 0-31: BKP.

Allowed values: 0x0-0xffffffff

BKP[8]R

backup register

Offset: 0x70, reset: 0x00000000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
BKP rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
BKP rw

Toggle Fields

BKP

Bits 0-31: BKP.

Allowed values: 0x0-0xffffffff

BKP[9]R

backup register

Offset: 0x74, reset: 0x00000000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
BKP rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
BKP rw

Toggle Fields

BKP

Bits 0-31: BKP.

Allowed values: 0x0-0xffffffff

BKP[10]R

backup register

Offset: 0x78, reset: 0x00000000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
BKP rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
BKP rw

Toggle Fields

BKP

Bits 0-31: BKP.

Allowed values: 0x0-0xffffffff

BKP[11]R

backup register

Offset: 0x7c, reset: 0x00000000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
BKP rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
BKP rw

Toggle Fields

BKP

Bits 0-31: BKP.

Allowed values: 0x0-0xffffffff

BKP[12]R

backup register

Offset: 0x80, reset: 0x00000000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
BKP rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
BKP rw

Toggle Fields

BKP

Bits 0-31: BKP.

Allowed values: 0x0-0xffffffff

BKP[13]R

backup register

Offset: 0x84, reset: 0x00000000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
BKP rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
BKP rw

Toggle Fields

BKP

Bits 0-31: BKP.

Allowed values: 0x0-0xffffffff

BKP[14]R

backup register

Offset: 0x88, reset: 0x00000000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
BKP rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
BKP rw

Toggle Fields

BKP

Bits 0-31: BKP.

Allowed values: 0x0-0xffffffff

BKP[15]R

backup register

Offset: 0x8c, reset: 0x00000000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
BKP rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
BKP rw

Toggle Fields

BKP

Bits 0-31: BKP.

Allowed values: 0x0-0xffffffff

BKP[16]R

backup register

Offset: 0x90, reset: 0x00000000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
BKP rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
BKP rw

Toggle Fields

BKP

Bits 0-31: BKP.

Allowed values: 0x0-0xffffffff

BKP[17]R

backup register

Offset: 0x94, reset: 0x00000000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
BKP rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
BKP rw

Toggle Fields

BKP

Bits 0-31: BKP.

Allowed values: 0x0-0xffffffff

BKP[18]R

backup register

Offset: 0x98, reset: 0x00000000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
BKP rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
BKP rw

Toggle Fields

BKP

Bits 0-31: BKP.

Allowed values: 0x0-0xffffffff

BKP[19]R

backup register

Offset: 0x9c, reset: 0x00000000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
BKP rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
BKP rw

Toggle Fields

BKP

Bits 0-31: BKP.

Allowed values: 0x0-0xffffffff

SCB

0xe000ed00: System control block

5/74 fields covered. Toggle Registers

Show register map

Offset	Name	31	30	29	28	27	26	25	24	23	22	19	18	17	16	15	14	13	12	11	10	9	8	7	5	4	3	2	1	0
0x0	CPUID	Implementer								Variant		Constant				PartNo											Revision
0x4	ICSR	NMIPENDSET			PENDSVSET	PENDSVCLR	PENDSTSET	PENDSTCLR			ISRPENDING		VECTPENDING			VECTPENDING				RETTOBASE			VECTACTIVE
0x8	VTOR			TBLOFF												TBLOFF
0xc	AIRCR	VECTKEYSTAT														ENDIANESS					PRIGROUP							SYSRESETREQ	VECTCLRACTIVE	VECTRESET
0x10	SCR																									SEVEONPEND		SLEEPDEEP	SLEEPONEXIT
0x14	CCR																					STKALIGN	BFHFNMIGN			DIV_0_TRP	UNALIGN__TRP		USERSETMPEND	NONBASETHRDENA
0x18	SHPR1									PRI_6						PRI_5								PRI_4
0x1c	SHPR2	PRI_11
0x20	SHPR3	PRI_15								PRI_14
0x24	SHCRS												USGFAULTENA	BUSFAULTENA	MEMFAULTENA	SVCALLPENDED	BUSFAULTPENDED	MEMFAULTPENDED	USGFAULTPENDED	SYSTICKACT	PENDSVACT		MONITORACT	SVCALLACT			USGFAULTACT		BUSFAULTACT	MEMFAULTACT
0x28	CFSR_UFSR_BFSR_MMFSR							DIVBYZERO	UNALIGNED			NOCP	INVPC	INVSTATE	UNDEFINSTR	BFARVALID		LSPERR	STKERR	UNSTKERR	IMPRECISERR	PRECISERR	IBUSERR	MMARVALID	MLSPERR	MSTKERR	MUNSTKERR		IACCVIOL
0x2c	HFSR	DEBUG_VT	FORCED																										VECTTBL
0x34	MMFAR	MMFAR														MMFAR
0x38	BFAR	BFAR														BFAR
0x3c	AFSR	IMPDEF														IMPDEF

CPUID

CPUID base register

Offset: 0x0, reset: 0x410FC241, access: read-only

5/5 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
Implementer r								Variant r				Constant r
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
PartNo r												Revision r

Toggle Fields

Revision

Bits 0-3: Revision number.

PartNo

Bits 4-15: Part number of the processor.

Constant

Bits 16-19: Reads as 0xF.

Variant

Bits 20-23: Variant number.

Implementer

Bits 24-31: Implementer code.

ICSR

Interrupt control and state register

Offset: 0x4, reset: 0x00000000, access: read-write

0/9 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
NMIPENDSET rw			PENDSVSET rw	PENDSVCLR rw	PENDSTSET rw	PENDSTCLR rw			ISRPENDING rw				VECTPENDING rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
VECTPENDING rw				RETTOBASE rw			VECTACTIVE rw

Toggle Fields

VECTACTIVE

Bits 0-8: Active vector.

RETTOBASE

Bit 11: Return to base level.

VECTPENDING

Bits 12-18: Pending vector.

ISRPENDING

Bit 22: Interrupt pending flag.

PENDSTCLR

Bit 25: SysTick exception clear-pending bit.

PENDSTSET

Bit 26: SysTick exception set-pending bit.

PENDSVCLR

Bit 27: PendSV clear-pending bit.

PENDSVSET

Bit 28: PendSV set-pending bit.

NMIPENDSET

Bit 31: NMI set-pending bit..

VTOR

Vector table offset register

Offset: 0x8, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
		TBLOFF rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
TBLOFF rw

Toggle Fields

TBLOFF

Bits 9-29: Vector table base offset field.

AIRCR

Application interrupt and reset control register

Offset: 0xc, reset: 0x00000000, access: read-write

0/6 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
VECTKEYSTAT rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
ENDIANESS rw					PRIGROUP rw								SYSRESETREQ rw	VECTCLRACTIVE rw	VECTRESET rw

Toggle Fields

VECTRESET

Bit 0: VECTRESET.

VECTCLRACTIVE

Bit 1: VECTCLRACTIVE.

SYSRESETREQ

Bit 2: SYSRESETREQ.

PRIGROUP

Bits 8-10: PRIGROUP.

ENDIANESS

Bit 15: ENDIANESS.

VECTKEYSTAT

Bits 16-31: Register key.

SCR

System control register

Offset: 0x10, reset: 0x00000000, access: read-write

0/3 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
											SEVEONPEND rw		SLEEPDEEP rw	SLEEPONEXIT rw

Toggle Fields

SLEEPONEXIT

Bit 1: SLEEPONEXIT.

SLEEPDEEP

Bit 2: SLEEPDEEP.

SEVEONPEND

Bit 4: Send Event on Pending bit.

CCR

Configuration and control register

Offset: 0x14, reset: 0x00000000, access: read-write

0/6 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
						STKALIGN rw	BFHFNMIGN rw				DIV_0_TRP rw	UNALIGN__TRP rw		USERSETMPEND rw	NONBASETHRDENA rw

Toggle Fields

NONBASETHRDENA

Bit 0: Configures how the processor enters Thread mode.

USERSETMPEND

Bit 1: USERSETMPEND.

UNALIGN__TRP

Bit 3: UNALIGN_ TRP.

DIV_0_TRP

Bit 4: DIV_0_TRP.

BFHFNMIGN

Bit 8: BFHFNMIGN.

STKALIGN

Bit 9: STKALIGN.

SHPR1

System handler priority registers

Offset: 0x18, reset: 0x00000000, access: read-write

0/3 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
								PRI_6 rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
PRI_5 rw								PRI_4 rw

Toggle Fields

PRI_4

Bits 0-7: Priority of system handler 4.

PRI_5

Bits 8-15: Priority of system handler 5.

PRI_6

Bits 16-23: Priority of system handler 6.

SHPR2

System handler priority registers

Offset: 0x1c, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
PRI_11 rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0

Toggle Fields

PRI_11

Bits 24-31: Priority of system handler 11.

SHPR3

System handler priority registers

Offset: 0x20, reset: 0x00000000, access: read-write

0/2 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
PRI_15 rw								PRI_14 rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0

Toggle Fields

PRI_14

Bits 16-23: Priority of system handler 14.

PRI_15

Bits 24-31: Priority of system handler 15.

SHCRS

System handler control and state register

Offset: 0x24, reset: 0x00000000, access: read-write

0/14 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
													USGFAULTENA rw	BUSFAULTENA rw	MEMFAULTENA rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
SVCALLPENDED rw	BUSFAULTPENDED rw	MEMFAULTPENDED rw	USGFAULTPENDED rw	SYSTICKACT rw	PENDSVACT rw		MONITORACT rw	SVCALLACT rw				USGFAULTACT rw		BUSFAULTACT rw	MEMFAULTACT rw

Toggle Fields

MEMFAULTACT

Bit 0: Memory management fault exception active bit.

BUSFAULTACT

Bit 1: Bus fault exception active bit.

USGFAULTACT

Bit 3: Usage fault exception active bit.

SVCALLACT

Bit 7: SVC call active bit.

MONITORACT

Bit 8: Debug monitor active bit.

PENDSVACT

Bit 10: PendSV exception active bit.

SYSTICKACT

Bit 11: SysTick exception active bit.

USGFAULTPENDED

Bit 12: Usage fault exception pending bit.

MEMFAULTPENDED

Bit 13: Memory management fault exception pending bit.

BUSFAULTPENDED

Bit 14: Bus fault exception pending bit.

SVCALLPENDED

Bit 15: SVC call pending bit.

MEMFAULTENA

Bit 16: Memory management fault enable bit.

BUSFAULTENA

Bit 17: Bus fault enable bit.

USGFAULTENA

Bit 18: Usage fault enable bit.

CFSR_UFSR_BFSR_MMFSR

Configurable fault status register

Offset: 0x28, reset: 0x00000000, access: read-write

0/18 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
						DIVBYZERO rw	UNALIGNED rw					NOCP rw	INVPC rw	INVSTATE rw	UNDEFINSTR rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
BFARVALID rw		LSPERR rw	STKERR rw	UNSTKERR rw	IMPRECISERR rw	PRECISERR rw	IBUSERR rw	MMARVALID rw		MLSPERR rw	MSTKERR rw	MUNSTKERR rw		IACCVIOL rw

Toggle Fields

IACCVIOL

Bit 1: Instruction access violation flag.

MUNSTKERR

Bit 3: Memory manager fault on unstacking for a return from exception.

MSTKERR

Bit 4: Memory manager fault on stacking for exception entry..

MLSPERR

Bit 5: MLSPERR.

MMARVALID

Bit 7: Memory Management Fault Address Register (MMAR) valid flag.

IBUSERR

Bit 8: Instruction bus error.

PRECISERR

Bit 9: Precise data bus error.

IMPRECISERR

Bit 10: Imprecise data bus error.

UNSTKERR

Bit 11: Bus fault on unstacking for a return from exception.

STKERR

Bit 12: Bus fault on stacking for exception entry.

LSPERR

Bit 13: Bus fault on floating-point lazy state preservation.

BFARVALID

Bit 15: Bus Fault Address Register (BFAR) valid flag.

UNDEFINSTR

Bit 16: Undefined instruction usage fault.

INVSTATE

Bit 17: Invalid state usage fault.

INVPC

Bit 18: Invalid PC load usage fault.

NOCP

Bit 19: No coprocessor usage fault..

UNALIGNED

Bit 24: Unaligned access usage fault.

DIVBYZERO

Bit 25: Divide by zero usage fault.

HFSR

Hard fault status register

Offset: 0x2c, reset: 0x00000000, access: read-write

0/3 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
DEBUG_VT rw	FORCED rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
														VECTTBL rw

Toggle Fields

VECTTBL

Bit 1: Vector table hard fault.

FORCED

Bit 30: Forced hard fault.

DEBUG_VT

Bit 31: Reserved for Debug use.

MMFAR

Memory management fault address register

Offset: 0x34, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
MMFAR rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
MMFAR rw

Toggle Fields

MMFAR

Bits 0-31: Memory management fault address.

BFAR

Bus fault address register

Offset: 0x38, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
BFAR rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
BFAR rw

Toggle Fields

BFAR

Bits 0-31: Bus fault address.

AFSR

Auxiliary fault status register

Offset: 0x3c, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
IMPDEF rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
IMPDEF rw

Toggle Fields

IMPDEF

Bits 0-31: Implementation defined.

SCB_ACTRL

0xe000e008: System control block ACTLR

0/5 fields covered. Toggle Registers

Show register map

Offset	Name	31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16	15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
0x0	ACTRL																							DISOOFP	DISFPCA						DISFOLD	DISDEFWBUF	DISMCYCINT

ACTRL

Auxiliary control register

Offset: 0x0, reset: 0x00000000, access: read-write

0/5 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
						DISOOFP rw	DISFPCA rw						DISFOLD rw	DISDEFWBUF rw	DISMCYCINT rw

Toggle Fields

DISMCYCINT

Bit 0: DISMCYCINT.

DISDEFWBUF

Bit 1: DISDEFWBUF.

DISFOLD

Bit 2: DISFOLD.

DISFPCA

Bit 8: DISFPCA.

DISOOFP

Bit 9: DISOOFP.

SPI1

0x40013000: Serial peripheral interface

45/45 fields covered. Toggle Registers

Show register map

Offset	Name	15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
0x0	CR1	BIDIMODE	BIDIOE	CRCEN	CRCNEXT	DFF	RXONLY	SSM	SSI	LSBFIRST	SPE	BR			MSTR	CPOL	CPHA
0x4	CR2									TXEIE	RXNEIE	ERRIE	FRF		SSOE	TXDMAEN	RXDMAEN
0x8	SR								FRE	BSY	OVR	MODF	CRCERR	UDR	CHSIDE	TXE	RXNE
0xc	DR	DR
0x10	CRCPR	CRCPOLY
0x14	RXCRCR	RxCRC
0x18	TXCRCR	TxCRC
0x1c	I2SCFGR					I2SMOD	I2SE	I2SCFG		PCMSYNC		I2SSTD		CKPOL	DATLEN		CHLEN
0x20	I2SPR							MCKOE	ODD	I2SDIV

CR1

control register 1

Offset: 0x0, reset: 0x0000, access: read-write

14/14 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
BIDIMODE rw	BIDIOE rw	CRCEN rw	CRCNEXT rw	DFF rw	RXONLY rw	SSM rw	SSI rw	LSBFIRST rw	SPE rw	BR rw			MSTR rw	CPOL rw	CPHA rw

Toggle Fields

CPHA

Bit 0: Clock phase.

Allowed values:
0: FirstEdge: The first clock transition is the first data capture edge
1: SecondEdge: The second clock transition is the first data capture edge

CPOL

Bit 1: Clock polarity.

Allowed values:
0: IdleLow: CK to 0 when idle
1: IdleHigh: CK to 1 when idle

MSTR

Bit 2: Master selection.

Allowed values:
0: Slave: Slave configuration
1: Master: Master configuration

BR

Bits 3-5: Baud rate control.

Allowed values:
0: Div2: f_PCLK / 2
1: Div4: f_PCLK / 4
2: Div8: f_PCLK / 8
3: Div16: f_PCLK / 16
4: Div32: f_PCLK / 32
5: Div64: f_PCLK / 64
6: Div128: f_PCLK / 128
7: Div256: f_PCLK / 256

SPE

Bit 6: SPI enable.

Allowed values:
0: Disabled: Peripheral disabled
1: Enabled: Peripheral enabled

LSBFIRST

Bit 7: Frame format.

Allowed values:
0: MSBFirst: Data is transmitted/received with the MSB first
1: LSBFirst: Data is transmitted/received with the LSB first

SSI

Bit 8: Internal slave select.

Allowed values:
0: SlaveSelected: 0 is forced onto the NSS pin and the I/O value of the NSS pin is ignored
1: SlaveNotSelected: 1 is forced onto the NSS pin and the I/O value of the NSS pin is ignored

SSM

Bit 9: Software slave management.

Allowed values:
0: Disabled: Software slave management disabled
1: Enabled: Software slave management enabled

RXONLY

Bit 10: Receive only.

Allowed values:
0: FullDuplex: Full duplex (Transmit and receive)
1: OutputDisabled: Output disabled (Receive-only mode)

DFF

Bit 11: Data frame format.

Allowed values:
0: EightBit: 8-bit data frame format is selected for transmission/reception
1: SixteenBit: 16-bit data frame format is selected for transmission/reception

CRCNEXT

Bit 12: CRC transfer next.

Allowed values:
0: TxBuffer: Next transmit value is from Tx buffer
1: CRC: Next transmit value is from Tx CRC register

CRCEN

Bit 13: Hardware CRC calculation enable.

Allowed values:
0: Disabled: CRC calculation disabled
1: Enabled: CRC calculation enabled

BIDIOE

Bit 14: Output enable in bidirectional mode.

Allowed values:
0: OutputDisabled: Output disabled (receive-only mode)
1: OutputEnabled: Output enabled (transmit-only mode)

BIDIMODE

Bit 15: Bidirectional data mode enable.

Allowed values:
0: Unidirectional: 2-line unidirectional data mode selected
1: Bidirectional: 1-line bidirectional data mode selected

CR2

control register 2

Offset: 0x4, reset: 0x0000, access: read-write

7/7 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
								TXEIE rw	RXNEIE rw	ERRIE rw	FRF rw		SSOE rw	TXDMAEN rw	RXDMAEN rw

Toggle Fields

RXDMAEN

Bit 0: Rx buffer DMA enable.

Allowed values:
0: Disabled: Rx buffer DMA disabled
1: Enabled: Rx buffer DMA enabled

TXDMAEN

Bit 1: Tx buffer DMA enable.

Allowed values:
0: Disabled: Tx buffer DMA disabled
1: Enabled: Tx buffer DMA enabled

SSOE

Bit 2: SS output enable.

Allowed values:
0: Disabled: SS output is disabled in master mode
1: Enabled: SS output is enabled in master mode

FRF

Bit 4: Frame format.

Allowed values:
0: Motorola: SPI Motorola mode
1: TI: SPI TI mode

ERRIE

Bit 5: Error interrupt enable.

Allowed values:
0: Masked: Error interrupt masked
1: NotMasked: Error interrupt not masked

RXNEIE

Bit 6: RX buffer not empty interrupt enable.

Allowed values:
0: Masked: RXE interrupt masked
1: NotMasked: RXE interrupt not masked

TXEIE

Bit 7: Tx buffer empty interrupt enable.

Allowed values:
0: Masked: TXE interrupt masked
1: NotMasked: TXE interrupt not masked

SR

status register

Offset: 0x8, reset: 0x0002, access: Unspecified

9/9 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
							FRE r	BSY r	OVR r	MODF r	CRCERR rw	UDR r	CHSIDE r	TXE r	RXNE r

Toggle Fields

RXNE

Bit 0: Receive buffer not empty.

Allowed values:
0: Empty: Rx buffer empty
1: NotEmpty: Rx buffer not empty

TXE

Bit 1: Transmit buffer empty.

Allowed values:
0: NotEmpty: Tx buffer not empty
1: Empty: Tx buffer empty

CHSIDE

Bit 2: Channel side.

Allowed values:
0: Left: Channel left has to be transmitted or has been received
1: Right: Channel right has to be transmitted or has been received

UDR

Bit 3: Underrun flag.

Allowed values:
0: NoUnderrun: No underrun occurred
1: Underrun: Underrun occurred

CRCERR

Bit 4: CRC error flag.

Allowed values:
0: Match: CRC value received matches the SPIx_RXCRCR value
1: NoMatch: CRC value received does not match the SPIx_RXCRCR value

MODF

Bit 5: Mode fault.

Allowed values:
0: NoFault: No mode fault occurred
1: Fault: Mode fault occurred

OVR

Bit 6: Overrun flag.

Allowed values:
0: NoOverrun: No overrun occurred
1: Overrun: Overrun occurred

BSY

Bit 7: Busy flag.

Allowed values:
0: NotBusy: SPI not busy
1: Busy: SPI busy

FRE

Bit 8: TI frame format error.

Allowed values:
0: NoError: No frame format error
1: Error: A frame format error occurred

DR

data register

Offset: 0xc, reset: 0x0000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
DR rw

Toggle Fields

DR

Bits 0-15: Data register.

Allowed values: 0x0-0xffff

CRCPR

CRC polynomial register

Offset: 0x10, reset: 0x0007, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
CRCPOLY rw

Toggle Fields

CRCPOLY

Bits 0-15: CRC polynomial register.

Allowed values: 0x0-0xffff

RXCRCR

RX CRC register

Offset: 0x14, reset: 0x0000, access: read-only

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
RxCRC r

Toggle Fields

RxCRC

Bits 0-15: Rx CRC register.

Allowed values: 0x0-0xffff

TXCRCR

TX CRC register

Offset: 0x18, reset: 0x0000, access: read-only

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
TxCRC r

Toggle Fields

TxCRC

Bits 0-15: Tx CRC register.

Allowed values: 0x0-0xffff

I2SCFGR

I2S configuration register

Offset: 0x1c, reset: 0x0000, access: read-write

8/8 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
				I2SMOD rw	I2SE rw	I2SCFG rw		PCMSYNC rw		I2SSTD rw		CKPOL rw	DATLEN rw		CHLEN rw

Toggle Fields

CHLEN

Bit 0: Channel length (number of bits per audio channel).

Allowed values:
0: SixteenBit: 16-bit wide
1: ThirtyTwoBit: 32-bit wide

DATLEN

Bits 1-2: Data length to be transferred.

Allowed values:
0: SixteenBit: 16-bit data length
1: TwentyFourBit: 24-bit data length
2: ThirtyTwoBit: 32-bit data length

CKPOL

Bit 3: Steady state clock polarity.

Allowed values:
0: IdleLow: I2S clock inactive state is low level
1: IdleHigh: I2S clock inactive state is high level

I2SSTD

Bits 4-5: I2S standard selection.

Allowed values:
0: Philips: I2S Philips standard
1: MSB: MSB justified standard
2: LSB: LSB justified standard
3: PCM: PCM standard

PCMSYNC

Bit 7: PCM frame synchronization.

Allowed values:
0: Short: Short frame synchronisation
1: Long: Long frame synchronisation

I2SCFG

Bits 8-9: I2S configuration mode.

Allowed values:
0: SlaveTx: Slave - transmit
1: SlaveRx: Slave - receive
2: MasterTx: Master - transmit
3: MasterRx: Master - receive

I2SE

Bit 10: I2S Enable.

Allowed values:
0: Disabled: I2S peripheral is disabled
1: Enabled: I2S peripheral is enabled

I2SMOD

Bit 11: I2S mode selection.

Allowed values:
0: SPIMode: SPI mode is selected
1: I2SMode: I2S mode is selected

I2SPR

I2S prescaler register

Offset: 0x20, reset: 00000010, access: read-write

3/3 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
						MCKOE rw	ODD rw	I2SDIV rw

Toggle Fields

I2SDIV

Bits 0-7: I2S Linear prescaler.

Allowed values: 0x2-0xff

ODD

Bit 8: Odd factor for the prescaler.

Allowed values:
0: Even: Real divider value is I2SDIV * 2
1: Odd: Real divider value is (I2SDIV * 2) + 1

MCKOE

Bit 9: Master clock output enable.

Allowed values:
0: Disabled: Master clock output is disabled
1: Enabled: Master clock output is enabled

SPI2

0x40003800: Serial peripheral interface

45/45 fields covered. Toggle Registers

Show register map

Offset	Name	15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
0x0	CR1	BIDIMODE	BIDIOE	CRCEN	CRCNEXT	DFF	RXONLY	SSM	SSI	LSBFIRST	SPE	BR			MSTR	CPOL	CPHA
0x4	CR2									TXEIE	RXNEIE	ERRIE	FRF		SSOE	TXDMAEN	RXDMAEN
0x8	SR								FRE	BSY	OVR	MODF	CRCERR	UDR	CHSIDE	TXE	RXNE
0xc	DR	DR
0x10	CRCPR	CRCPOLY
0x14	RXCRCR	RxCRC
0x18	TXCRCR	TxCRC
0x1c	I2SCFGR					I2SMOD	I2SE	I2SCFG		PCMSYNC		I2SSTD		CKPOL	DATLEN		CHLEN
0x20	I2SPR							MCKOE	ODD	I2SDIV

CR1

control register 1

Offset: 0x0, reset: 0x0000, access: read-write

14/14 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
BIDIMODE rw	BIDIOE rw	CRCEN rw	CRCNEXT rw	DFF rw	RXONLY rw	SSM rw	SSI rw	LSBFIRST rw	SPE rw	BR rw			MSTR rw	CPOL rw	CPHA rw

Toggle Fields

CPHA

Bit 0: Clock phase.

Allowed values:
0: FirstEdge: The first clock transition is the first data capture edge
1: SecondEdge: The second clock transition is the first data capture edge

CPOL

Bit 1: Clock polarity.

Allowed values:
0: IdleLow: CK to 0 when idle
1: IdleHigh: CK to 1 when idle

MSTR

Bit 2: Master selection.

Allowed values:
0: Slave: Slave configuration
1: Master: Master configuration

BR

Bits 3-5: Baud rate control.

SPE

Bit 6: SPI enable.

Allowed values:
0: Disabled: Peripheral disabled
1: Enabled: Peripheral enabled

LSBFIRST

Bit 7: Frame format.

Allowed values:
0: MSBFirst: Data is transmitted/received with the MSB first
1: LSBFirst: Data is transmitted/received with the LSB first

SSI

Bit 8: Internal slave select.

SSM

Bit 9: Software slave management.

Allowed values:
0: Disabled: Software slave management disabled
1: Enabled: Software slave management enabled

RXONLY

Bit 10: Receive only.

Allowed values:
0: FullDuplex: Full duplex (Transmit and receive)
1: OutputDisabled: Output disabled (Receive-only mode)

DFF

Bit 11: Data frame format.

Allowed values:
0: EightBit: 8-bit data frame format is selected for transmission/reception
1: SixteenBit: 16-bit data frame format is selected for transmission/reception

CRCNEXT

Bit 12: CRC transfer next.

Allowed values:
0: TxBuffer: Next transmit value is from Tx buffer
1: CRC: Next transmit value is from Tx CRC register

CRCEN

Bit 13: Hardware CRC calculation enable.

Allowed values:
0: Disabled: CRC calculation disabled
1: Enabled: CRC calculation enabled

BIDIOE

Bit 14: Output enable in bidirectional mode.

Allowed values:
0: OutputDisabled: Output disabled (receive-only mode)
1: OutputEnabled: Output enabled (transmit-only mode)

BIDIMODE

Bit 15: Bidirectional data mode enable.

Allowed values:
0: Unidirectional: 2-line unidirectional data mode selected
1: Bidirectional: 1-line bidirectional data mode selected

CR2

control register 2

Offset: 0x4, reset: 0x0000, access: read-write

7/7 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
								TXEIE rw	RXNEIE rw	ERRIE rw	FRF rw		SSOE rw	TXDMAEN rw	RXDMAEN rw

Toggle Fields

RXDMAEN

Bit 0: Rx buffer DMA enable.

Allowed values:
0: Disabled: Rx buffer DMA disabled
1: Enabled: Rx buffer DMA enabled

TXDMAEN

Bit 1: Tx buffer DMA enable.

Allowed values:
0: Disabled: Tx buffer DMA disabled
1: Enabled: Tx buffer DMA enabled

SSOE

Bit 2: SS output enable.

Allowed values:
0: Disabled: SS output is disabled in master mode
1: Enabled: SS output is enabled in master mode

FRF

Bit 4: Frame format.

Allowed values:
0: Motorola: SPI Motorola mode
1: TI: SPI TI mode

ERRIE

Bit 5: Error interrupt enable.

Allowed values:
0: Masked: Error interrupt masked
1: NotMasked: Error interrupt not masked

RXNEIE

Bit 6: RX buffer not empty interrupt enable.

Allowed values:
0: Masked: RXE interrupt masked
1: NotMasked: RXE interrupt not masked

TXEIE

Bit 7: Tx buffer empty interrupt enable.

Allowed values:
0: Masked: TXE interrupt masked
1: NotMasked: TXE interrupt not masked

SR

status register

Offset: 0x8, reset: 0x0002, access: Unspecified

9/9 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
							FRE r	BSY r	OVR r	MODF r	CRCERR rw	UDR r	CHSIDE r	TXE r	RXNE r

Toggle Fields

RXNE

Bit 0: Receive buffer not empty.

Allowed values:
0: Empty: Rx buffer empty
1: NotEmpty: Rx buffer not empty

TXE

Bit 1: Transmit buffer empty.

Allowed values:
0: NotEmpty: Tx buffer not empty
1: Empty: Tx buffer empty

CHSIDE

Bit 2: Channel side.

Allowed values:
0: Left: Channel left has to be transmitted or has been received
1: Right: Channel right has to be transmitted or has been received

UDR

Bit 3: Underrun flag.

Allowed values:
0: NoUnderrun: No underrun occurred
1: Underrun: Underrun occurred

CRCERR

Bit 4: CRC error flag.

Allowed values:
0: Match: CRC value received matches the SPIx_RXCRCR value
1: NoMatch: CRC value received does not match the SPIx_RXCRCR value

MODF

Bit 5: Mode fault.

Allowed values:
0: NoFault: No mode fault occurred
1: Fault: Mode fault occurred

OVR

Bit 6: Overrun flag.

Allowed values:
0: NoOverrun: No overrun occurred
1: Overrun: Overrun occurred

BSY

Bit 7: Busy flag.

Allowed values:
0: NotBusy: SPI not busy
1: Busy: SPI busy

FRE

Bit 8: TI frame format error.

Allowed values:
0: NoError: No frame format error
1: Error: A frame format error occurred

DR

data register

Offset: 0xc, reset: 0x0000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
DR rw

Toggle Fields

DR

Bits 0-15: Data register.

Allowed values: 0x0-0xffff

CRCPR

CRC polynomial register

Offset: 0x10, reset: 0x0007, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
CRCPOLY rw

Toggle Fields

CRCPOLY

Bits 0-15: CRC polynomial register.

Allowed values: 0x0-0xffff

RXCRCR

RX CRC register

Offset: 0x14, reset: 0x0000, access: read-only

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
RxCRC r

Toggle Fields

RxCRC

Bits 0-15: Rx CRC register.

Allowed values: 0x0-0xffff

TXCRCR

TX CRC register

Offset: 0x18, reset: 0x0000, access: read-only

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
TxCRC r

Toggle Fields

TxCRC

Bits 0-15: Tx CRC register.

Allowed values: 0x0-0xffff

I2SCFGR

I2S configuration register

Offset: 0x1c, reset: 0x0000, access: read-write

8/8 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
				I2SMOD rw	I2SE rw	I2SCFG rw		PCMSYNC rw		I2SSTD rw		CKPOL rw	DATLEN rw		CHLEN rw

Toggle Fields

CHLEN

Bit 0: Channel length (number of bits per audio channel).

Allowed values:
0: SixteenBit: 16-bit wide
1: ThirtyTwoBit: 32-bit wide

DATLEN

Bits 1-2: Data length to be transferred.

Allowed values:
0: SixteenBit: 16-bit data length
1: TwentyFourBit: 24-bit data length
2: ThirtyTwoBit: 32-bit data length

CKPOL

Bit 3: Steady state clock polarity.

Allowed values:
0: IdleLow: I2S clock inactive state is low level
1: IdleHigh: I2S clock inactive state is high level

I2SSTD

Bits 4-5: I2S standard selection.

Allowed values:
0: Philips: I2S Philips standard
1: MSB: MSB justified standard
2: LSB: LSB justified standard
3: PCM: PCM standard

PCMSYNC

Bit 7: PCM frame synchronization.

Allowed values:
0: Short: Short frame synchronisation
1: Long: Long frame synchronisation

I2SCFG

Bits 8-9: I2S configuration mode.

Allowed values:
0: SlaveTx: Slave - transmit
1: SlaveRx: Slave - receive
2: MasterTx: Master - transmit
3: MasterRx: Master - receive

I2SE

Bit 10: I2S Enable.

Allowed values:
0: Disabled: I2S peripheral is disabled
1: Enabled: I2S peripheral is enabled

I2SMOD

Bit 11: I2S mode selection.

Allowed values:
0: SPIMode: SPI mode is selected
1: I2SMode: I2S mode is selected

I2SPR

I2S prescaler register

Offset: 0x20, reset: 00000010, access: read-write

3/3 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
						MCKOE rw	ODD rw	I2SDIV rw

Toggle Fields

I2SDIV

Bits 0-7: I2S Linear prescaler.

Allowed values: 0x2-0xff

ODD

Bit 8: Odd factor for the prescaler.

Allowed values:
0: Even: Real divider value is I2SDIV * 2
1: Odd: Real divider value is (I2SDIV * 2) + 1

MCKOE

Bit 9: Master clock output enable.

Allowed values:
0: Disabled: Master clock output is disabled
1: Enabled: Master clock output is enabled

SPI5

0x40015000: Serial peripheral interface

45/45 fields covered. Toggle Registers

Show register map

Offset	Name	15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
0x0	CR1	BIDIMODE	BIDIOE	CRCEN	CRCNEXT	DFF	RXONLY	SSM	SSI	LSBFIRST	SPE	BR			MSTR	CPOL	CPHA
0x4	CR2									TXEIE	RXNEIE	ERRIE	FRF		SSOE	TXDMAEN	RXDMAEN
0x8	SR								FRE	BSY	OVR	MODF	CRCERR	UDR	CHSIDE	TXE	RXNE
0xc	DR	DR
0x10	CRCPR	CRCPOLY
0x14	RXCRCR	RxCRC
0x18	TXCRCR	TxCRC
0x1c	I2SCFGR					I2SMOD	I2SE	I2SCFG		PCMSYNC		I2SSTD		CKPOL	DATLEN		CHLEN
0x20	I2SPR							MCKOE	ODD	I2SDIV

CR1

control register 1

Offset: 0x0, reset: 0x0000, access: read-write

14/14 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
BIDIMODE rw	BIDIOE rw	CRCEN rw	CRCNEXT rw	DFF rw	RXONLY rw	SSM rw	SSI rw	LSBFIRST rw	SPE rw	BR rw			MSTR rw	CPOL rw	CPHA rw

Toggle Fields

CPHA

Bit 0: Clock phase.

Allowed values:
0: FirstEdge: The first clock transition is the first data capture edge
1: SecondEdge: The second clock transition is the first data capture edge

CPOL

Bit 1: Clock polarity.

Allowed values:
0: IdleLow: CK to 0 when idle
1: IdleHigh: CK to 1 when idle

MSTR

Bit 2: Master selection.

Allowed values:
0: Slave: Slave configuration
1: Master: Master configuration

BR

Bits 3-5: Baud rate control.

SPE

Bit 6: SPI enable.

Allowed values:
0: Disabled: Peripheral disabled
1: Enabled: Peripheral enabled

LSBFIRST

Bit 7: Frame format.

Allowed values:
0: MSBFirst: Data is transmitted/received with the MSB first
1: LSBFirst: Data is transmitted/received with the LSB first

SSI

Bit 8: Internal slave select.

SSM

Bit 9: Software slave management.

Allowed values:
0: Disabled: Software slave management disabled
1: Enabled: Software slave management enabled

RXONLY

Bit 10: Receive only.

Allowed values:
0: FullDuplex: Full duplex (Transmit and receive)
1: OutputDisabled: Output disabled (Receive-only mode)

DFF

Bit 11: Data frame format.

Allowed values:
0: EightBit: 8-bit data frame format is selected for transmission/reception
1: SixteenBit: 16-bit data frame format is selected for transmission/reception

CRCNEXT

Bit 12: CRC transfer next.

Allowed values:
0: TxBuffer: Next transmit value is from Tx buffer
1: CRC: Next transmit value is from Tx CRC register

CRCEN

Bit 13: Hardware CRC calculation enable.

Allowed values:
0: Disabled: CRC calculation disabled
1: Enabled: CRC calculation enabled

BIDIOE

Bit 14: Output enable in bidirectional mode.

Allowed values:
0: OutputDisabled: Output disabled (receive-only mode)
1: OutputEnabled: Output enabled (transmit-only mode)

BIDIMODE

Bit 15: Bidirectional data mode enable.

Allowed values:
0: Unidirectional: 2-line unidirectional data mode selected
1: Bidirectional: 1-line bidirectional data mode selected

CR2

control register 2

Offset: 0x4, reset: 0x0000, access: read-write

7/7 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
								TXEIE rw	RXNEIE rw	ERRIE rw	FRF rw		SSOE rw	TXDMAEN rw	RXDMAEN rw

Toggle Fields

RXDMAEN

Bit 0: Rx buffer DMA enable.

Allowed values:
0: Disabled: Rx buffer DMA disabled
1: Enabled: Rx buffer DMA enabled

TXDMAEN

Bit 1: Tx buffer DMA enable.

Allowed values:
0: Disabled: Tx buffer DMA disabled
1: Enabled: Tx buffer DMA enabled

SSOE

Bit 2: SS output enable.

Allowed values:
0: Disabled: SS output is disabled in master mode
1: Enabled: SS output is enabled in master mode

FRF

Bit 4: Frame format.

Allowed values:
0: Motorola: SPI Motorola mode
1: TI: SPI TI mode

ERRIE

Bit 5: Error interrupt enable.

Allowed values:
0: Masked: Error interrupt masked
1: NotMasked: Error interrupt not masked

RXNEIE

Bit 6: RX buffer not empty interrupt enable.

Allowed values:
0: Masked: RXE interrupt masked
1: NotMasked: RXE interrupt not masked

TXEIE

Bit 7: Tx buffer empty interrupt enable.

Allowed values:
0: Masked: TXE interrupt masked
1: NotMasked: TXE interrupt not masked

SR

status register

Offset: 0x8, reset: 0x0002, access: Unspecified

9/9 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
							FRE r	BSY r	OVR r	MODF r	CRCERR rw	UDR r	CHSIDE r	TXE r	RXNE r

Toggle Fields

RXNE

Bit 0: Receive buffer not empty.

Allowed values:
0: Empty: Rx buffer empty
1: NotEmpty: Rx buffer not empty

TXE

Bit 1: Transmit buffer empty.

Allowed values:
0: NotEmpty: Tx buffer not empty
1: Empty: Tx buffer empty

CHSIDE

Bit 2: Channel side.

Allowed values:
0: Left: Channel left has to be transmitted or has been received
1: Right: Channel right has to be transmitted or has been received

UDR

Bit 3: Underrun flag.

Allowed values:
0: NoUnderrun: No underrun occurred
1: Underrun: Underrun occurred

CRCERR

Bit 4: CRC error flag.

Allowed values:
0: Match: CRC value received matches the SPIx_RXCRCR value
1: NoMatch: CRC value received does not match the SPIx_RXCRCR value

MODF

Bit 5: Mode fault.

Allowed values:
0: NoFault: No mode fault occurred
1: Fault: Mode fault occurred

OVR

Bit 6: Overrun flag.

Allowed values:
0: NoOverrun: No overrun occurred
1: Overrun: Overrun occurred

BSY

Bit 7: Busy flag.

Allowed values:
0: NotBusy: SPI not busy
1: Busy: SPI busy

FRE

Bit 8: TI frame format error.

Allowed values:
0: NoError: No frame format error
1: Error: A frame format error occurred

DR

data register

Offset: 0xc, reset: 0x0000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
DR rw

Toggle Fields

DR

Bits 0-15: Data register.

Allowed values: 0x0-0xffff

CRCPR

CRC polynomial register

Offset: 0x10, reset: 0x0007, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
CRCPOLY rw

Toggle Fields

CRCPOLY

Bits 0-15: CRC polynomial register.

Allowed values: 0x0-0xffff

RXCRCR

RX CRC register

Offset: 0x14, reset: 0x0000, access: read-only

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
RxCRC r

Toggle Fields

RxCRC

Bits 0-15: Rx CRC register.

Allowed values: 0x0-0xffff

TXCRCR

TX CRC register

Offset: 0x18, reset: 0x0000, access: read-only

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
TxCRC r

Toggle Fields

TxCRC

Bits 0-15: Tx CRC register.

Allowed values: 0x0-0xffff

I2SCFGR

I2S configuration register

Offset: 0x1c, reset: 0x0000, access: read-write

8/8 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
				I2SMOD rw	I2SE rw	I2SCFG rw		PCMSYNC rw		I2SSTD rw		CKPOL rw	DATLEN rw		CHLEN rw

Toggle Fields

CHLEN

Bit 0: Channel length (number of bits per audio channel).

Allowed values:
0: SixteenBit: 16-bit wide
1: ThirtyTwoBit: 32-bit wide

DATLEN

Bits 1-2: Data length to be transferred.

Allowed values:
0: SixteenBit: 16-bit data length
1: TwentyFourBit: 24-bit data length
2: ThirtyTwoBit: 32-bit data length

CKPOL

Bit 3: Steady state clock polarity.

Allowed values:
0: IdleLow: I2S clock inactive state is low level
1: IdleHigh: I2S clock inactive state is high level

I2SSTD

Bits 4-5: I2S standard selection.

Allowed values:
0: Philips: I2S Philips standard
1: MSB: MSB justified standard
2: LSB: LSB justified standard
3: PCM: PCM standard

PCMSYNC

Bit 7: PCM frame synchronization.

Allowed values:
0: Short: Short frame synchronisation
1: Long: Long frame synchronisation

I2SCFG

Bits 8-9: I2S configuration mode.

Allowed values:
0: SlaveTx: Slave - transmit
1: SlaveRx: Slave - receive
2: MasterTx: Master - transmit
3: MasterRx: Master - receive

I2SE

Bit 10: I2S Enable.

Allowed values:
0: Disabled: I2S peripheral is disabled
1: Enabled: I2S peripheral is enabled

I2SMOD

Bit 11: I2S mode selection.

Allowed values:
0: SPIMode: SPI mode is selected
1: I2SMode: I2S mode is selected

I2SPR

I2S prescaler register

Offset: 0x20, reset: 00000010, access: read-write

3/3 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
						MCKOE rw	ODD rw	I2SDIV rw

Toggle Fields

I2SDIV

Bits 0-7: I2S Linear prescaler.

Allowed values: 0x2-0xff

ODD

Bit 8: Odd factor for the prescaler.

Allowed values:
0: Even: Real divider value is I2SDIV * 2
1: Odd: Real divider value is (I2SDIV * 2) + 1

MCKOE

Bit 9: Master clock output enable.

Allowed values:
0: Disabled: Master clock output is disabled
1: Enabled: Master clock output is enabled

STK

0xe000e010: SysTick timer

0/9 fields covered. Toggle Registers

Show register map

Offset	Name	31	30	23	16	15	2	1	0
0x0	CTRL				COUNTFLAG		CLKSOURCE	TICKINT	ENABLE
0x4	LOAD			RELOAD		RELOAD
0x8	VAL			CURRENT		CURRENT
0xc	CALIB	NOREF	SKEW	TENMS		TENMS

CTRL

SysTick control and status register

Offset: 0x0, reset: 0X00000000, access: read-write

0/4 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
															COUNTFLAG rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
													CLKSOURCE rw	TICKINT rw	ENABLE rw

Toggle Fields

ENABLE

Bit 0: Counter enable.

TICKINT

Bit 1: SysTick exception request enable.

CLKSOURCE

Bit 2: Clock source selection.

COUNTFLAG

Bit 16: COUNTFLAG.

LOAD

SysTick reload value register

Offset: 0x4, reset: 0X00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
								RELOAD rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
RELOAD rw

Toggle Fields

RELOAD

Bits 0-23: RELOAD value.

VAL

SysTick current value register

Offset: 0x8, reset: 0X00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
								CURRENT rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
CURRENT rw

Toggle Fields

CURRENT

Bits 0-23: Current counter value.

CALIB

SysTick calibration value register

Offset: 0xc, reset: 0X00000000, access: read-write

0/3 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
NOREF rw	SKEW rw							TENMS rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
TENMS rw

Toggle Fields

TENMS

Bits 0-23: Calibration value.

SKEW

Bit 30: SKEW flag: Indicates whether the TENMS value is exact.

NOREF

Bit 31: NOREF flag. Reads as zero.

SYSCFG

0x40013800: System configuration controller

2/22 fields covered. Toggle Registers

Show register map

Offset	Name	16	15	11	8	7	3	1	0
0x0	MEMRM							MEM_MODE
0x4	PMC	ADC1DC2
0x8	EXTICR1		EXTI3	EXTI2		EXTI1	EXTI0
0xc	EXTICR2		EXTI7	EXTI6		EXTI5	EXTI4
0x10	EXTICR3		EXTI11	EXTI10		EXTI9	EXTI8
0x14	EXTICR4		EXTI15	EXTI14		EXTI13	EXTI12
0x20	CMPCR				READY				CMP_PD
0x2c	CFGR							FMPI2C1_SDA	FMPI2C1_SCL

MEMRM

memory remap register

Offset: 0x0, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
														MEM_MODE rw

Toggle Fields

MEM_MODE

Bits 0-1: MEM_MODE.

PMC

peripheral mode configuration register

Offset: 0x4, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
															ADC1DC2 rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0

Toggle Fields

ADC1DC2

Bit 16: ADC1DC2.

EXTICR1

external interrupt configuration register 1

Offset: 0x8, reset: 0x0000, access: read-write

0/4 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
EXTI3 rw				EXTI2 rw				EXTI1 rw				EXTI0 rw

Toggle Fields

EXTI0

Bits 0-3: EXTI x configuration (x = 0 to 3).

EXTI1

Bits 4-7: EXTI x configuration (x = 0 to 3).

EXTI2

Bits 8-11: EXTI x configuration (x = 0 to 3).

EXTI3

Bits 12-15: EXTI x configuration (x = 0 to 3).

EXTICR2

external interrupt configuration register 2

Offset: 0xc, reset: 0x0000, access: read-write

0/4 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
EXTI7 rw				EXTI6 rw				EXTI5 rw				EXTI4 rw

Toggle Fields

EXTI4

Bits 0-3: EXTI x configuration (x = 4 to 7).

EXTI5

Bits 4-7: EXTI x configuration (x = 4 to 7).

EXTI6

Bits 8-11: EXTI x configuration (x = 4 to 7).

EXTI7

Bits 12-15: EXTI x configuration (x = 4 to 7).

EXTICR3

external interrupt configuration register 3

Offset: 0x10, reset: 0x0000, access: read-write

0/4 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
EXTI11 rw				EXTI10 rw				EXTI9 rw				EXTI8 rw

Toggle Fields

EXTI8

Bits 0-3: EXTI x configuration (x = 8 to 11).

EXTI9

Bits 4-7: EXTI x configuration (x = 8 to 11).

EXTI10

Bits 8-11: EXTI10.

EXTI11

Bits 12-15: EXTI x configuration (x = 8 to 11).

EXTICR4

external interrupt configuration register 4

Offset: 0x14, reset: 0x0000, access: read-write

0/4 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
EXTI15 rw				EXTI14 rw				EXTI13 rw				EXTI12 rw

Toggle Fields

EXTI12

Bits 0-3: EXTI x configuration (x = 12 to 15).

EXTI13

Bits 4-7: EXTI x configuration (x = 12 to 15).

EXTI14

Bits 8-11: EXTI x configuration (x = 12 to 15).

EXTI15

Bits 12-15: EXTI x configuration (x = 12 to 15).

CMPCR

Compensation cell control register

Offset: 0x20, reset: 0x00000000, access: read-only

2/2 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
							READY r								CMP_PD r

Toggle Fields

CMP_PD

Bit 0: Compensation cell power-down.

READY

Bit 8: READY.

CFGR

Configuration register

Offset: 0x2c, reset: 0x00000000, access: read-write

0/2 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
														FMPI2C1_SDA rw	FMPI2C1_SCL rw

Toggle Fields

FMPI2C1_SCL

Bit 0: FMPI2C1_SCL.

FMPI2C1_SDA

Bit 1: FMPI2C1_SDA.

TIM1

0x40010000: Advanced-timers

16/127 fields covered. Toggle Registers

Show register map

Offset	Name	15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
0x0	CR1							CKD		ARPE	CMS		DIR	OPM	URS	UDIS	CEN
0x4	CR2		OIS4	OIS3N	OIS3	OIS2N	OIS2	OIS1N	OIS1	TI1S	MMS			CCDS	CCUS		CCPC
0x8	SMCR	ETP	ECE	ETPS		ETF				MSM	TS				SMS
0xc	DIER		TDE	COMDE	CC4DE	CC3DE	CC2DE	CC1DE	UDE	BIE	TIE	COMIE	CC4IE	CC3IE	CC2IE	CC1IE	UIE
0x10	SR				CC4OF	CC3OF	CC2OF	CC1OF		BIF	TIF	COMIF	CC4IF	CC3IF	CC2IF	CC1IF	UIF
0x14	EGR									BG	TG	COMG	CC4G	CC3G	CC2G	CC1G	UG
0x18	CCMR1_Input	IC2F				IC2PSC		CC2S		IC1F				IC1PSC		CC1S
0x18	CCMR1_Output	OC2CE	OC2M			OC2PE	OC2FE	CC2S		OC1CE	OC1M			OC1PE	OC1FE	CC1S
0x1c	CCMR2_Input	IC4F				IC4PSC		CC4S		IC3F				IC3PSC		CC3S
0x1c	CCMR2_Output	OC4CE	OC4M			OC4PE	OC4FE	CC4S		OC3CE	OC3M			OC3PE	OC3FE	CC3S
0x20	CCER			CC4P	CC4E	CC3NP	CC3NE	CC3P	CC3E	CC2NP	CC2NE	CC2P	CC2E	CC1NP	CC1NE	CC1P	CC1E
0x24	CNT	CNT
0x28	PSC	PSC
0x2c	ARR	ARR
0x30	RCR									REP
0x34	CCR[1]	CCR
0x38	CCR[2]	CCR
0x3c	CCR[3]	CCR
0x40	CCR[4]	CCR
0x44	BDTR	MOE	AOE	BKP	BKE	OSSR	OSSI	LOCK		DTG
0x48	DCR				DBL								DBA
0x4c	DMAR	DMAB

CR1

control register 1

Offset: 0x0, reset: 0x0000, access: read-write

8/8 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
						CKD rw		ARPE rw	CMS rw		DIR rw	OPM rw	URS rw	UDIS rw	CEN rw

Toggle Fields

CEN

Bit 0: Counter enable.

Allowed values:
0: Disabled: Counter disabled
1: Enabled: Counter enabled

UDIS

Bit 1: Update disable.

Allowed values:
0: Enabled: Update event enabled
1: Disabled: Update event disabled

URS

Bit 2: Update request source.

Allowed values:
0: AnyEvent: Any of counter overflow/underflow, setting UG, or update through slave mode, generates an update interrupt or DMA request
1: CounterOnly: Only counter overflow/underflow generates an update interrupt or DMA request

OPM

Bit 3: One-pulse mode.

Allowed values:
0: Disabled: Counter is not stopped at update event
1: Enabled: Counter stops counting at the next update event (clearing the CEN bit)

DIR

Bit 4: Direction.

Allowed values:
0: Up: Counter used as upcounter
1: Down: Counter used as downcounter

CMS

Bits 5-6: Center-aligned mode selection.

Allowed values:
0: EdgeAligned: The counter counts up or down depending on the direction bit
1: CenterAligned1: The counter counts up and down alternatively. Output compare interrupt flags are set only when the counter is counting down.
2: CenterAligned2: The counter counts up and down alternatively. Output compare interrupt flags are set only when the counter is counting up.
3: CenterAligned3: The counter counts up and down alternatively. Output compare interrupt flags are set both when the counter is counting up or down.

ARPE

Bit 7: Auto-reload preload enable.

Allowed values:
0: Disabled: TIMx_APRR register is not buffered
1: Enabled: TIMx_APRR register is buffered

CKD

Bits 8-9: Clock division.

Allowed values:
0: Div1: t_DTS = t_CK_INT
1: Div2: t_DTS = 2 × t_CK_INT
2: Div4: t_DTS = 4 × t_CK_INT

CR2

control register 2

Offset: 0x4, reset: 0x0000, access: read-write

0/12 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
	OIS4 rw	OIS3N rw	OIS3 rw	OIS2N rw	OIS2 rw	OIS1N rw	OIS1 rw	TI1S rw	MMS rw			CCDS rw	CCUS rw		CCPC rw

Toggle Fields

CCPC

Bit 0: Capture/compare preloaded control.

CCUS

Bit 2: Capture/compare control update selection.

CCDS

Bit 3: Capture/compare DMA selection.

MMS

Bits 4-6: Master mode selection.

TI1S

Bit 7: TI1 selection.

OIS1

Bit 8: Output Idle state 1.

OIS1N

Bit 9: Output Idle state 1.

OIS2

Bit 10: Output Idle state 2.

OIS2N

Bit 11: Output Idle state 2.

OIS3

Bit 12: Output Idle state 3.

OIS3N

Bit 13: Output Idle state 3.

OIS4

Bit 14: Output Idle state 4.

SMCR

slave mode control register

Offset: 0x8, reset: 0x0000, access: read-write

0/7 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
ETP rw	ECE rw	ETPS rw		ETF rw				MSM rw	TS rw				SMS rw

Toggle Fields

SMS

Bits 0-2: Slave mode selection.

TS

Bits 4-6: Trigger selection.

MSM

Bit 7: Master/Slave mode.

ETF

Bits 8-11: External trigger filter.

ETPS

Bits 12-13: External trigger prescaler.

ECE

Bit 14: External clock enable.

ETP

Bit 15: External trigger polarity.

DIER

DMA/Interrupt enable register

Offset: 0xc, reset: 0x0000, access: read-write

1/15 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
	TDE rw	COMDE rw	CC4DE rw	CC3DE rw	CC2DE rw	CC1DE rw	UDE rw	BIE rw	TIE rw	COMIE rw	CC4IE rw	CC3IE rw	CC2IE rw	CC1IE rw	UIE rw

Toggle Fields

UIE

Bit 0: Update interrupt enable.

Allowed values:
0: Disabled: Update interrupt disabled
1: Enabled: Update interrupt enabled

CC1IE

Bit 1: Capture/Compare 1 interrupt enable.

CC2IE

Bit 2: Capture/Compare 2 interrupt enable.

CC3IE

Bit 3: Capture/Compare 3 interrupt enable.

CC4IE

Bit 4: Capture/Compare 4 interrupt enable.

COMIE

Bit 5: COM interrupt enable.

TIE

Bit 6: Trigger interrupt enable.

BIE

Bit 7: Break interrupt enable.

UDE

Bit 8: Update DMA request enable.

CC1DE

Bit 9: Capture/Compare 1 DMA request enable.

CC2DE

Bit 10: Capture/Compare 2 DMA request enable.

CC3DE

Bit 11: Capture/Compare 3 DMA request enable.

CC4DE

Bit 12: Capture/Compare 4 DMA request enable.

COMDE

Bit 13: COM DMA request enable.

TDE

Bit 14: Trigger DMA request enable.

SR

status register

Offset: 0x10, reset: 0x0000, access: read-write

1/12 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
			CC4OF rw	CC3OF rw	CC2OF rw	CC1OF rw		BIF rw	TIF rw	COMIF rw	CC4IF rw	CC3IF rw	CC2IF rw	CC1IF rw	UIF rw

Toggle Fields

UIF

Bit 0: Update interrupt flag.

Allowed values:
0: Clear: No update occurred
1: UpdatePending: Update interrupt pending.

CC1IF

Bit 1: Capture/compare 1 interrupt flag.

CC2IF

Bit 2: Capture/Compare 2 interrupt flag.

CC3IF

Bit 3: Capture/Compare 3 interrupt flag.

CC4IF

Bit 4: Capture/Compare 4 interrupt flag.

COMIF

Bit 5: COM interrupt flag.

TIF

Bit 6: Trigger interrupt flag.

BIF

Bit 7: Break interrupt flag.

CC1OF

Bit 9: Capture/Compare 1 overcapture flag.

CC2OF

Bit 10: Capture/compare 2 overcapture flag.

CC3OF

Bit 11: Capture/Compare 3 overcapture flag.

CC4OF

Bit 12: Capture/Compare 4 overcapture flag.

EGR

event generation register

Offset: 0x14, reset: 0x0000, access: write-only

1/8 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
								BG w	TG w	COMG w	CC4G w	CC3G w	CC2G w	CC1G w	UG w

Toggle Fields

UG

Bit 0: Update generation.

Allowed values:
1: Update: Re-initializes the timer counter and generates an update of the registers.

CC1G

Bit 1: Capture/compare 1 generation.

CC2G

Bit 2: Capture/compare 2 generation.

CC3G

Bit 3: Capture/compare 3 generation.

CC4G

Bit 4: Capture/compare 4 generation.

COMG

Bit 5: Capture/Compare control update generation.

TG

Bit 6: Trigger generation.

BG

Bit 7: Break generation.

CCMR1_Input

capture/compare mode register 1 (input mode)

Offset: 0x18, reset: 0x00000000, access: read-write

0/6 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
IC2F rw				IC2PSC rw		CC2S rw		IC1F rw				IC1PSC rw		CC1S rw

Toggle Fields

CC1S

Bits 0-1: Capture/Compare 1 selection.

IC1PSC

Bits 2-3: Input capture 1 prescaler.

IC1F

Bits 4-7: Input capture 1 filter.

CC2S

Bits 8-9: Capture/Compare 2 selection.

IC2PSC

Bits 10-11: Input capture 2 prescaler.

IC2F

Bits 12-15: Input capture 2 filter.

CCMR1_Output

capture/compare mode register 1 (output mode)

Offset: 0x18, reset: 0x00000000, access: read-write

2/10 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
OC2CE rw	OC2M rw			OC2PE rw	OC2FE rw	CC2S rw		OC1CE rw	OC1M rw			OC1PE rw	OC1FE rw	CC1S rw

Toggle Fields

CC1S

Bits 0-1: Capture/Compare 1 selection.

OC1FE

Bit 2: Output Compare 1 fast enable.

OC1PE

Bit 3: Output Compare 1 preload enable.

OC1M

Bits 4-6: Output Compare 1 mode.

Allowed values:
0: Frozen: The comparison between the output compare register TIMx_CCRy and the counter TIMx_CNT has no effect on the outputs
1: ActiveOnMatch: Set channel to active level on match. OCyREF signal is forced high when the counter matches the capture/compare register
2: InactiveOnMatch: Set channel to inactive level on match. OCyREF signal is forced low when the counter matches the capture/compare register
3: Toggle: OCyREF toggles when TIMx_CNT=TIMx_CCRy
4: ForceInactive: OCyREF is forced low
5: ForceActive: OCyREF is forced high
6: PwmMode1: In upcounting, channel is active as long as TIMx_CNTTIMx_CCRy else active
7: PwmMode2: Inversely to PwmMode1

OC1CE

Bit 7: Output Compare 1 clear enable.

CC2S

Bits 8-9: Capture/Compare 2 selection.

OC2FE

Bit 10: Output Compare 2 fast enable.

OC2PE

Bit 11: Output Compare 2 preload enable.

OC2M

Bits 12-14: Output Compare 2 mode.

OC2CE

Bit 15: Output Compare 2 clear enable.

CCMR2_Input

capture/compare mode register 2 (input mode)

Offset: 0x1c, reset: 0x00000000, access: read-write

0/6 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
IC4F rw				IC4PSC rw		CC4S rw		IC3F rw				IC3PSC rw		CC3S rw

Toggle Fields

CC3S

Bits 0-1: Capture/compare 3 selection.

IC3PSC

Bits 2-3: Input capture 3 prescaler.

IC3F

Bits 4-7: Input capture 3 filter.

CC4S

Bits 8-9: Capture/Compare 4 selection.

IC4PSC

Bits 10-11: Input capture 4 prescaler.

IC4F

Bits 12-15: Input capture 4 filter.

CCMR2_Output

capture/compare mode register 2 (output mode)

Offset: 0x1c, reset: 0x00000000, access: read-write

2/10 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
OC4CE rw	OC4M rw			OC4PE rw	OC4FE rw	CC4S rw		OC3CE rw	OC3M rw			OC3PE rw	OC3FE rw	CC3S rw

Toggle Fields

CC3S

Bits 0-1: Capture/Compare 3 selection.

OC3FE

Bit 2: Output compare 3 fast enable.

OC3PE

Bit 3: Output compare 3 preload enable.

OC3M

Bits 4-6: Output compare 3 mode.

OC3CE

Bit 7: Output compare 3 clear enable.

CC4S

Bits 8-9: Capture/Compare 4 selection.

OC4FE

Bit 10: Output compare 4 fast enable.

OC4PE

Bit 11: Output compare 4 preload enable.

OC4M

Bits 12-14: Output compare 4 mode.

OC4CE

Bit 15: Output compare 4 clear enable.

CCER

capture/compare enable register

Offset: 0x20, reset: 0x0000, access: read-write

0/14 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
		CC4P rw	CC4E rw	CC3NP rw	CC3NE rw	CC3P rw	CC3E rw	CC2NP rw	CC2NE rw	CC2P rw	CC2E rw	CC1NP rw	CC1NE rw	CC1P rw	CC1E rw

Toggle Fields

CC1E

Bit 0: Capture/Compare 1 output enable.

CC1P

Bit 1: Capture/Compare 1 output Polarity.

CC1NE

Bit 2: Capture/Compare 1 complementary output enable.

CC1NP

Bit 3: Capture/Compare 1 output Polarity.

CC2E

Bit 4: Capture/Compare 2 output enable.

CC2P

Bit 5: Capture/Compare 2 output Polarity.

CC2NE

Bit 6: Capture/Compare 2 complementary output enable.

CC2NP

Bit 7: Capture/Compare 2 output Polarity.

CC3E

Bit 8: Capture/Compare 3 output enable.

CC3P

Bit 9: Capture/Compare 3 output Polarity.

CC3NE

Bit 10: Capture/Compare 3 complementary output enable.

CC3NP

Bit 11: Capture/Compare 3 output Polarity.

CC4E

Bit 12: Capture/Compare 4 output enable.

CC4P

Bit 13: Capture/Compare 3 output Polarity.

CNT

counter

Offset: 0x24, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
CNT rw

Toggle Fields

CNT

Bits 0-15: counter value.

PSC

prescaler

Offset: 0x28, reset: 0x0000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
PSC rw

Toggle Fields

PSC

Bits 0-15: Prescaler value.

Allowed values: 0x0-0xffff

ARR

auto-reload register

Offset: 0x2c, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
ARR rw

Toggle Fields

ARR

Bits 0-15: Auto-reload value.

RCR

repetition counter register

Offset: 0x30, reset: 0x0000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
								REP rw

Toggle Fields

REP

Bits 0-7: Repetition counter value.

CCR[1]

capture/compare register

Offset: 0x34, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
CCR rw

Toggle Fields

CCR

Bits 0-15: Capture/Compare value.

CCR[2]

capture/compare register

Offset: 0x38, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
CCR rw

Toggle Fields

CCR

Bits 0-15: Capture/Compare value.

CCR[3]

capture/compare register

Offset: 0x3c, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
CCR rw

Toggle Fields

CCR

Bits 0-15: Capture/Compare value.

CCR[4]

capture/compare register

Offset: 0x40, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
CCR rw

Toggle Fields

CCR

Bits 0-15: Capture/Compare value.

BDTR

break and dead-time register

Offset: 0x44, reset: 0x0000, access: read-write

0/8 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
MOE rw	AOE rw	BKP rw	BKE rw	OSSR rw	OSSI rw	LOCK rw		DTG rw

Toggle Fields

DTG

Bits 0-7: Dead-time generator setup.

LOCK

Bits 8-9: Lock configuration.

OSSI

Bit 10: Off-state selection for Idle mode.

OSSR

Bit 11: Off-state selection for Run mode.

BKE

Bit 12: Break enable.

BKP

Bit 13: Break polarity.

AOE

Bit 14: Automatic output enable.

MOE

Bit 15: Main output enable.

DCR

DMA control register

Offset: 0x48, reset: 0x0000, access: read-write

0/2 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
			DBL rw								DBA rw

Toggle Fields

DBA

Bits 0-4: DMA base address.

DBL

Bits 8-12: DMA burst length.

DMAR

DMA address for full transfer

Offset: 0x4c, reset: 0x0000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
DMAB rw

Toggle Fields

DMAB

Bits 0-15: DMA register for burst accesses.

TIM11

0x40014800: General-purpose-timers

10/27 fields covered. Toggle Registers

Show register map

Offset	Name	15	9	7	6	3	2	1	0
0x0	CR1		CKD	ARPE			URS	UDIS	CEN
0xc	DIER							CC1IE	UIE
0x10	SR		CC1OF					CC1IF	UIF
0x14	EGR							CC1G	UG
0x18	CCMR1_Input			IC1F		IC1PSC		CC1S
0x18	CCMR1_Output				OC1M	OC1PE	OC1FE	CC1S
0x20	CCER					CC1NP		CC1P	CC1E
0x24	CNT	CNT
0x28	PSC	PSC
0x2c	ARR	ARR
0x34	CCR[1]	CCR
0x50	OR							RMP

CR1

control register 1

Offset: 0x0, reset: 0x0000, access: read-write

5/5 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
						CKD rw		ARPE rw					URS rw	UDIS rw	CEN rw

Toggle Fields

CEN

Bit 0: Counter enable.

Allowed values:
0: Disabled: Counter disabled
1: Enabled: Counter enabled

UDIS

Bit 1: Update disable.

Allowed values:
0: Enabled: Update event enabled
1: Disabled: Update event disabled

URS

Bit 2: Update request source.

ARPE

Bit 7: Auto-reload preload enable.

Allowed values:
0: Disabled: TIMx_APRR register is not buffered
1: Enabled: TIMx_APRR register is buffered

CKD

Bits 8-9: Clock division.

Allowed values:
0: Div1: t_DTS = t_CK_INT
1: Div2: t_DTS = 2 × t_CK_INT
2: Div4: t_DTS = 4 × t_CK_INT

DIER

DMA/Interrupt enable register

Offset: 0xc, reset: 0x0000, access: read-write

1/2 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
														CC1IE rw	UIE rw

Toggle Fields

UIE

Bit 0: Update interrupt enable.

Allowed values:
0: Disabled: Update interrupt disabled
1: Enabled: Update interrupt enabled

CC1IE

Bit 1: Capture/Compare 1 interrupt enable.

SR

status register

Offset: 0x10, reset: 0x0000, access: read-write

1/3 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
						CC1OF rw								CC1IF rw	UIF rw

Toggle Fields

UIF

Bit 0: Update interrupt flag.

Allowed values:
0: Clear: No update occurred
1: UpdatePending: Update interrupt pending.

CC1IF

Bit 1: Capture/compare 1 interrupt flag.

CC1OF

Bit 9: Capture/Compare 1 overcapture flag.

EGR

event generation register

Offset: 0x14, reset: 0x0000, access: write-only

1/2 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
														CC1G w	UG w

Toggle Fields

UG

Bit 0: Update generation.

Allowed values:
1: Update: Re-initializes the timer counter and generates an update of the registers.

CC1G

Bit 1: Capture/compare 1 generation.

CCMR1_Input

capture/compare mode register 1 (input mode)

Offset: 0x18, reset: 0x00000000, access: read-write

0/3 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
								IC1F rw				IC1PSC rw		CC1S rw

Toggle Fields

CC1S

Bits 0-1: Capture/Compare 1 selection.

IC1PSC

Bits 2-3: Input capture 1 prescaler.

IC1F

Bits 4-7: Input capture 1 filter.

CCMR1_Output

capture/compare mode register 1 (output mode)

Offset: 0x18, reset: 0x00000000, access: read-write

1/4 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
									OC1M rw			OC1PE rw	OC1FE rw	CC1S rw

Toggle Fields

CC1S

Bits 0-1: Capture/Compare 1 selection.

OC1FE

Bit 2: Output Compare 1 fast enable.

OC1PE

Bit 3: Output Compare 1 preload enable.

OC1M

Bits 4-6: Output Compare 1 mode.

CCER

capture/compare enable register

Offset: 0x20, reset: 0x0000, access: read-write

0/3 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
												CC1NP rw		CC1P rw	CC1E rw

Toggle Fields

CC1E

Bit 0: Capture/Compare 1 output enable.

CC1P

Bit 1: Capture/Compare 1 output Polarity.

CC1NP

Bit 3: Capture/Compare 1 output Polarity.

CNT

counter

Offset: 0x24, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
CNT rw

Toggle Fields

CNT

Bits 0-15: counter value.

PSC

prescaler

Offset: 0x28, reset: 0x0000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
PSC rw

Toggle Fields

PSC

Bits 0-15: Prescaler value.

Allowed values: 0x0-0xffff

ARR

auto-reload register

Offset: 0x2c, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
ARR rw

Toggle Fields

ARR

Bits 0-15: Auto-reload value.

CCR[1]

capture/compare register

Offset: 0x34, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
CCR rw

Toggle Fields

CCR

Bits 0-15: Capture/Compare value.

OR

option register

Offset: 0x50, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
														RMP rw

Toggle Fields

RMP

Bits 0-1: Input 1 remapping capability.

TIM5

0x40000c00: General-purpose-timers

16/107 fields covered. Toggle Registers

Show register map

Offset	Name	31	15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
0x0	CR1								CKD		ARPE	CMS		DIR	OPM	URS	UDIS	CEN
0x4	CR2										TI1S	MMS			CCDS
0x8	SMCR		ETP	ECE	ETPS		ETF				MSM	TS				SMS
0xc	DIER			TDE		CC4DE	CC3DE	CC2DE	CC1DE	UDE		TIE		CC4IE	CC3IE	CC2IE	CC1IE	UIE
0x10	SR					CC4OF	CC3OF	CC2OF	CC1OF			TIF		CC4IF	CC3IF	CC2IF	CC1IF	UIF
0x14	EGR											TG		CC4G	CC3G	CC2G	CC1G	UG
0x18	CCMR1_Input		IC2F				IC2PSC		CC2S		IC1F				IC1PSC		CC1S
0x18	CCMR1_Output		OC2CE	OC2M			OC2PE	OC2FE	CC2S		OC1CE	OC1M			OC1PE	OC1FE	CC1S
0x1c	CCMR2_Input		IC4F				IC4PSC		CC4S		IC3F				IC3PSC		CC3S
0x1c	CCMR2_Output		OC4CE	OC4M			OC4PE	OC4FE	CC4S		OC3CE	OC3M			OC3PE	OC3FE	CC3S
0x20	CCER		CC4NP		CC4P	CC4E	CC3NP		CC3P	CC3E	CC2NP		CC2P	CC2E	CC1NP		CC1P	CC1E
0x24	CNT	CNT_H	CNT_L
0x28	PSC		PSC
0x2c	ARR	ARR_H	ARR_L
0x34	CCR[1]	CCR1_H	CCR1_L
0x38	CCR[2]	CCR1_H	CCR1_L
0x3c	CCR[3]	CCR1_H	CCR1_L
0x40	CCR[4]	CCR1_H	CCR1_L
0x48	DCR					DBL								DBA
0x4c	DMAR		DMAB
0x50	OR										IT4_RMP

CR1

control register 1

Offset: 0x0, reset: 0x0000, access: read-write

8/8 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
						CKD rw		ARPE rw	CMS rw		DIR rw	OPM rw	URS rw	UDIS rw	CEN rw

Toggle Fields

CEN

Bit 0: Counter enable.

Allowed values:
0: Disabled: Counter disabled
1: Enabled: Counter enabled

UDIS

Bit 1: Update disable.

Allowed values:
0: Enabled: Update event enabled
1: Disabled: Update event disabled

URS

Bit 2: Update request source.

OPM

Bit 3: One-pulse mode.

Allowed values:
0: Disabled: Counter is not stopped at update event
1: Enabled: Counter stops counting at the next update event (clearing the CEN bit)

DIR

Bit 4: Direction.

Allowed values:
0: Up: Counter used as upcounter
1: Down: Counter used as downcounter

CMS

Bits 5-6: Center-aligned mode selection.

ARPE

Bit 7: Auto-reload preload enable.

Allowed values:
0: Disabled: TIMx_APRR register is not buffered
1: Enabled: TIMx_APRR register is buffered

CKD

Bits 8-9: Clock division.

Allowed values:
0: Div1: t_DTS = t_CK_INT
1: Div2: t_DTS = 2 × t_CK_INT
2: Div4: t_DTS = 4 × t_CK_INT

CR2

control register 2

Offset: 0x4, reset: 0x0000, access: read-write

0/3 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
								TI1S rw	MMS rw			CCDS rw

Toggle Fields

CCDS

Bit 3: Capture/compare DMA selection.

MMS

Bits 4-6: Master mode selection.

TI1S

Bit 7: TI1 selection.

SMCR

slave mode control register

Offset: 0x8, reset: 0x0000, access: read-write

0/7 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
ETP rw	ECE rw	ETPS rw		ETF rw				MSM rw	TS rw				SMS rw

Toggle Fields

SMS

Bits 0-2: Slave mode selection.

TS

Bits 4-6: Trigger selection.

MSM

Bit 7: Master/Slave mode.

ETF

Bits 8-11: External trigger filter.

ETPS

Bits 12-13: External trigger prescaler.

ECE

Bit 14: External clock enable.

ETP

Bit 15: External trigger polarity.

DIER

DMA/Interrupt enable register

Offset: 0xc, reset: 0x0000, access: read-write

1/12 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
	TDE rw		CC4DE rw	CC3DE rw	CC2DE rw	CC1DE rw	UDE rw		TIE rw		CC4IE rw	CC3IE rw	CC2IE rw	CC1IE rw	UIE rw

Toggle Fields

UIE

Bit 0: Update interrupt enable.

Allowed values:
0: Disabled: Update interrupt disabled
1: Enabled: Update interrupt enabled

CC1IE

Bit 1: Capture/Compare 1 interrupt enable.

CC2IE

Bit 2: Capture/Compare 2 interrupt enable.

CC3IE

Bit 3: Capture/Compare 3 interrupt enable.

CC4IE

Bit 4: Capture/Compare 4 interrupt enable.

TIE

Bit 6: Trigger interrupt enable.

UDE

Bit 8: Update DMA request enable.

CC1DE

Bit 9: Capture/Compare 1 DMA request enable.

CC2DE

Bit 10: Capture/Compare 2 DMA request enable.

CC3DE

Bit 11: Capture/Compare 3 DMA request enable.

CC4DE

Bit 12: Capture/Compare 4 DMA request enable.

TDE

Bit 14: Trigger DMA request enable.

SR

status register

Offset: 0x10, reset: 0x0000, access: read-write

1/10 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
			CC4OF rw	CC3OF rw	CC2OF rw	CC1OF rw			TIF rw		CC4IF rw	CC3IF rw	CC2IF rw	CC1IF rw	UIF rw

Toggle Fields

UIF

Bit 0: Update interrupt flag.

Allowed values:
0: Clear: No update occurred
1: UpdatePending: Update interrupt pending.

CC1IF

Bit 1: Capture/compare 1 interrupt flag.

CC2IF

Bit 2: Capture/Compare 2 interrupt flag.

CC3IF

Bit 3: Capture/Compare 3 interrupt flag.

CC4IF

Bit 4: Capture/Compare 4 interrupt flag.

TIF

Bit 6: Trigger interrupt flag.

CC1OF

Bit 9: Capture/Compare 1 overcapture flag.

CC2OF

Bit 10: Capture/compare 2 overcapture flag.

CC3OF

Bit 11: Capture/Compare 3 overcapture flag.

CC4OF

Bit 12: Capture/Compare 4 overcapture flag.

EGR

event generation register

Offset: 0x14, reset: 0x0000, access: write-only

1/6 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
									TG w		CC4G w	CC3G w	CC2G w	CC1G w	UG w

Toggle Fields

UG

Bit 0: Update generation.

Allowed values:
1: Update: Re-initializes the timer counter and generates an update of the registers.

CC1G

Bit 1: Capture/compare 1 generation.

CC2G

Bit 2: Capture/compare 2 generation.

CC3G

Bit 3: Capture/compare 3 generation.

CC4G

Bit 4: Capture/compare 4 generation.

TG

Bit 6: Trigger generation.

CCMR1_Input

capture/compare mode register 1 (input mode)

Offset: 0x18, reset: 0x00000000, access: read-write

0/6 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
IC2F rw				IC2PSC rw		CC2S rw		IC1F rw				IC1PSC rw		CC1S rw

Toggle Fields

CC1S

Bits 0-1: Capture/Compare 1 selection.

IC1PSC

Bits 2-3: Input capture 1 prescaler.

IC1F

Bits 4-7: Input capture 1 filter.

CC2S

Bits 8-9: Capture/Compare 2 selection.

IC2PSC

Bits 10-11: Input capture 2 prescaler.

IC2F

Bits 12-15: Input capture 2 filter.

CCMR1_Output

capture/compare mode register 1 (output mode)

Offset: 0x18, reset: 0x00000000, access: read-write

2/10 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
OC2CE rw	OC2M rw			OC2PE rw	OC2FE rw	CC2S rw		OC1CE rw	OC1M rw			OC1PE rw	OC1FE rw	CC1S rw

Toggle Fields

CC1S

Bits 0-1: CC1S.

OC1FE

Bit 2: OC1FE.

OC1PE

Bit 3: OC1PE.

OC1M

Bits 4-6: OC1M.

OC1CE

Bit 7: OC1CE.

CC2S

Bits 8-9: CC2S.

OC2FE

Bit 10: OC2FE.

OC2PE

Bit 11: OC2PE.

OC2M

Bits 12-14: OC2M.

OC2CE

Bit 15: OC2CE.

CCMR2_Input

capture/compare mode register 2 (input mode)

Offset: 0x1c, reset: 0x00000000, access: read-write

0/6 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
IC4F rw				IC4PSC rw		CC4S rw		IC3F rw				IC3PSC rw		CC3S rw

Toggle Fields

CC3S

Bits 0-1: Capture/compare 3 selection.

IC3PSC

Bits 2-3: Input capture 3 prescaler.

IC3F

Bits 4-7: Input capture 3 filter.

CC4S

Bits 8-9: Capture/Compare 4 selection.

IC4PSC

Bits 10-11: Input capture 4 prescaler.

IC4F

Bits 12-15: Input capture 4 filter.

CCMR2_Output

capture/compare mode register 2 (output mode)

Offset: 0x1c, reset: 0x00000000, access: read-write

2/10 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
OC4CE rw	OC4M rw			OC4PE rw	OC4FE rw	CC4S rw		OC3CE rw	OC3M rw			OC3PE rw	OC3FE rw	CC3S rw

Toggle Fields

CC3S

Bits 0-1: CC3S.

OC3FE

Bit 2: OC3FE.

OC3PE

Bit 3: OC3PE.

OC3M

Bits 4-6: OC3M.

OC3CE

Bit 7: OC3CE.

CC4S

Bits 8-9: CC4S.

OC4FE

Bit 10: OC4FE.

OC4PE

Bit 11: OC4PE.

OC4M

Bits 12-14: OC4M.

OC4CE

Bit 15: O24CE.

CCER

capture/compare enable register

Offset: 0x20, reset: 0x0000, access: read-write

0/12 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
CC4NP rw		CC4P rw	CC4E rw	CC3NP rw		CC3P rw	CC3E rw	CC2NP rw		CC2P rw	CC2E rw	CC1NP rw		CC1P rw	CC1E rw

Toggle Fields

CC1E

Bit 0: Capture/Compare 1 output enable.

CC1P

Bit 1: Capture/Compare 1 output Polarity.

CC1NP

Bit 3: Capture/Compare 1 output Polarity.

CC2E

Bit 4: Capture/Compare 2 output enable.

CC2P

Bit 5: Capture/Compare 2 output Polarity.

CC2NP

Bit 7: Capture/Compare 2 output Polarity.

CC3E

Bit 8: Capture/Compare 3 output enable.

CC3P

Bit 9: Capture/Compare 3 output Polarity.

CC3NP

Bit 11: Capture/Compare 3 output Polarity.

CC4E

Bit 12: Capture/Compare 4 output enable.

CC4P

Bit 13: Capture/Compare 3 output Polarity.

CC4NP

Bit 15: Capture/Compare 4 output Polarity.

CNT

counter

Offset: 0x24, reset: 0x00000000, access: read-write

0/2 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
CNT_H rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
CNT_L rw

Toggle Fields

CNT_L

Bits 0-15: Low counter value.

CNT_H

Bits 16-31: High counter value.

PSC

prescaler

Offset: 0x28, reset: 0x0000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
PSC rw

Toggle Fields

PSC

Bits 0-15: Prescaler value.

Allowed values: 0x0-0xffff

ARR

auto-reload register

Offset: 0x2c, reset: 0x00000000, access: read-write

0/2 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
ARR_H rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
ARR_L rw

Toggle Fields

ARR_L

Bits 0-15: Low Auto-reload value.

ARR_H

Bits 16-31: High Auto-reload value.

CCR[1]

capture/compare register

Offset: 0x34, reset: 0x00000000, access: read-write

0/2 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
CCR1_H rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
CCR1_L rw

Toggle Fields

CCR1_L

Bits 0-15: Low Capture/Compare 1 value.

CCR1_H

Bits 16-31: High Capture/Compare 1 value.

CCR[2]

capture/compare register

Offset: 0x38, reset: 0x00000000, access: read-write

0/2 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
CCR1_H rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
CCR1_L rw

Toggle Fields

CCR1_L

Bits 0-15: Low Capture/Compare 1 value.

CCR1_H

Bits 16-31: High Capture/Compare 1 value.

CCR[3]

capture/compare register

Offset: 0x3c, reset: 0x00000000, access: read-write

0/2 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
CCR1_H rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
CCR1_L rw

Toggle Fields

CCR1_L

Bits 0-15: Low Capture/Compare 1 value.

CCR1_H

Bits 16-31: High Capture/Compare 1 value.

CCR[4]

capture/compare register

Offset: 0x40, reset: 0x00000000, access: read-write

0/2 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
CCR1_H rw
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
CCR1_L rw

Toggle Fields

CCR1_L

Bits 0-15: Low Capture/Compare 1 value.

CCR1_H

Bits 16-31: High Capture/Compare 1 value.

DCR

DMA control register

Offset: 0x48, reset: 0x0000, access: read-write

0/2 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
			DBL rw								DBA rw

Toggle Fields

DBA

Bits 0-4: DMA base address.

DBL

Bits 8-12: DMA burst length.

DMAR

DMA address for full transfer

Offset: 0x4c, reset: 0x0000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
DMAB rw

Toggle Fields

DMAB

Bits 0-15: DMA register for burst accesses.

OR

TIM5 option register

Offset: 0x50, reset: 0x0000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
								IT4_RMP rw

Toggle Fields

IT4_RMP

Bits 6-7: Timer Input 4 remap.

TIM6

0x40001000: Basic timers

13/13 fields covered. Toggle Registers

Show register map

Offset	Name	15	8	7	6	3	2	1	0
0x0	CR1			ARPE		OPM	URS	UDIS	CEN
0x4	CR2				MMS
0xc	DIER		UDE						UIE
0x10	SR								UIF
0x14	EGR								UG
0x24	CNT	CNT
0x28	PSC	PSC
0x2c	ARR	ARR

CR1

control register 1

Offset: 0x0, reset: 0x0000, access: read-write

5/5 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
								ARPE rw				OPM rw	URS rw	UDIS rw	CEN rw

Toggle Fields

CEN

Bit 0: Counter enable.

Allowed values:
0: Disabled: Counter disabled
1: Enabled: Counter enabled

UDIS

Bit 1: Update disable.

Allowed values:
0: Enabled: Update event enabled
1: Disabled: Update event disabled

URS

Bit 2: Update request source.

OPM

Bit 3: One-pulse mode.

Allowed values:
0: Disabled: Counter is not stopped at update event
1: Enabled: Counter stops counting at the next update event (clearing the CEN bit)

ARPE

Bit 7: Auto-reload preload enable.

Allowed values:
0: Disabled: TIMx_APRR register is not buffered
1: Enabled: TIMx_APRR register is buffered

CR2

control register 2

Offset: 0x4, reset: 0x0000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
									MMS rw

Toggle Fields

MMS

Bits 4-6: Master mode selection.

Allowed values:
0: Reset: Use UG bit from TIMx_EGR register
1: Enable: Use CNT bit from TIMx_CEN register
2: Update: Use the update event

DIER

DMA/Interrupt enable register

Offset: 0xc, reset: 0x0000, access: read-write

2/2 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
							UDE rw								UIE rw

Toggle Fields

UIE

Bit 0: Update interrupt enable.

Allowed values:
0: Disabled: Update interrupt disabled
1: Enabled: Update interrupt enabled

UDE

Bit 8: Update DMA request enable.

Allowed values:
0: Disabled: Update DMA request disabled
1: Enabled: Update DMA request enabled

SR

status register

Offset: 0x10, reset: 0x0000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
															UIF rw

Toggle Fields

UIF

Bit 0: Update interrupt flag.

Allowed values:
0: Clear: No update occurred
1: UpdatePending: Update interrupt pending.

EGR

event generation register

Offset: 0x14, reset: 0x0000, access: write-only

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
															UG w

Toggle Fields

UG

Bit 0: Update generation.

Allowed values:
1: Update: Re-initializes the timer counter and generates an update of the registers.

CNT

counter

Offset: 0x24, reset: 0x00000000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
CNT rw

Toggle Fields

CNT

Bits 0-15: Low counter value.

Allowed values: 0x0-0xffff

PSC

prescaler

Offset: 0x28, reset: 0x0000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
PSC rw

Toggle Fields

PSC

Bits 0-15: Prescaler value.

Allowed values: 0x0-0xffff

ARR

auto-reload register

Offset: 0x2c, reset: 0x00000000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
ARR rw

Toggle Fields

ARR

Bits 0-15: Low Auto-reload value.

Allowed values: 0x0-0xffff

TIM8

0x40010400: Advanced-timers

16/127 fields covered. Toggle Registers

Show register map

Offset	Name	15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
0x0	CR1							CKD		ARPE	CMS		DIR	OPM	URS	UDIS	CEN
0x4	CR2		OIS4	OIS3N	OIS3	OIS2N	OIS2	OIS1N	OIS1	TI1S	MMS			CCDS	CCUS		CCPC
0x8	SMCR	ETP	ECE	ETPS		ETF				MSM	TS				SMS
0xc	DIER		TDE	COMDE	CC4DE	CC3DE	CC2DE	CC1DE	UDE	BIE	TIE	COMIE	CC4IE	CC3IE	CC2IE	CC1IE	UIE
0x10	SR				CC4OF	CC3OF	CC2OF	CC1OF		BIF	TIF	COMIF	CC4IF	CC3IF	CC2IF	CC1IF	UIF
0x14	EGR									BG	TG	COMG	CC4G	CC3G	CC2G	CC1G	UG
0x18	CCMR1_Input	IC2F				IC2PSC		CC2S		IC1F				IC1PSC		CC1S
0x18	CCMR1_Output	OC2CE	OC2M			OC2PE	OC2FE	CC2S		OC1CE	OC1M			OC1PE	OC1FE	CC1S
0x1c	CCMR2_Input	IC4F				IC4PSC		CC4S		IC3F				IC3PSC		CC3S
0x1c	CCMR2_Output	OC4CE	OC4M			OC4PE	OC4FE	CC4S		OC3CE	OC3M			OC3PE	OC3FE	CC3S
0x20	CCER			CC4P	CC4E	CC3NP	CC3NE	CC3P	CC3E	CC2NP	CC2NE	CC2P	CC2E	CC1NP	CC1NE	CC1P	CC1E
0x24	CNT	CNT
0x28	PSC	PSC
0x2c	ARR	ARR
0x30	RCR									REP
0x34	CCR[1]	CCR
0x38	CCR[2]	CCR
0x3c	CCR[3]	CCR
0x40	CCR[4]	CCR
0x44	BDTR	MOE	AOE	BKP	BKE	OSSR	OSSI	LOCK		DTG
0x48	DCR				DBL								DBA
0x4c	DMAR	DMAB

CR1

control register 1

Offset: 0x0, reset: 0x0000, access: read-write

8/8 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
						CKD rw		ARPE rw	CMS rw		DIR rw	OPM rw	URS rw	UDIS rw	CEN rw

Toggle Fields

CEN

Bit 0: Counter enable.

Allowed values:
0: Disabled: Counter disabled
1: Enabled: Counter enabled

UDIS

Bit 1: Update disable.

Allowed values:
0: Enabled: Update event enabled
1: Disabled: Update event disabled

URS

Bit 2: Update request source.

OPM

Bit 3: One-pulse mode.

Allowed values:
0: Disabled: Counter is not stopped at update event
1: Enabled: Counter stops counting at the next update event (clearing the CEN bit)

DIR

Bit 4: Direction.

Allowed values:
0: Up: Counter used as upcounter
1: Down: Counter used as downcounter

CMS

Bits 5-6: Center-aligned mode selection.

ARPE

Bit 7: Auto-reload preload enable.

Allowed values:
0: Disabled: TIMx_APRR register is not buffered
1: Enabled: TIMx_APRR register is buffered

CKD

Bits 8-9: Clock division.

Allowed values:
0: Div1: t_DTS = t_CK_INT
1: Div2: t_DTS = 2 × t_CK_INT
2: Div4: t_DTS = 4 × t_CK_INT

CR2

control register 2

Offset: 0x4, reset: 0x0000, access: read-write

0/12 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
	OIS4 rw	OIS3N rw	OIS3 rw	OIS2N rw	OIS2 rw	OIS1N rw	OIS1 rw	TI1S rw	MMS rw			CCDS rw	CCUS rw		CCPC rw

Toggle Fields

CCPC

Bit 0: Capture/compare preloaded control.

CCUS

Bit 2: Capture/compare control update selection.

CCDS

Bit 3: Capture/compare DMA selection.

MMS

Bits 4-6: Master mode selection.

TI1S

Bit 7: TI1 selection.

OIS1

Bit 8: Output Idle state 1.

OIS1N

Bit 9: Output Idle state 1.

OIS2

Bit 10: Output Idle state 2.

OIS2N

Bit 11: Output Idle state 2.

OIS3

Bit 12: Output Idle state 3.

OIS3N

Bit 13: Output Idle state 3.

OIS4

Bit 14: Output Idle state 4.

SMCR

slave mode control register

Offset: 0x8, reset: 0x0000, access: read-write

0/7 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
ETP rw	ECE rw	ETPS rw		ETF rw				MSM rw	TS rw				SMS rw

Toggle Fields

SMS

Bits 0-2: Slave mode selection.

TS

Bits 4-6: Trigger selection.

MSM

Bit 7: Master/Slave mode.

ETF

Bits 8-11: External trigger filter.

ETPS

Bits 12-13: External trigger prescaler.

ECE

Bit 14: External clock enable.

ETP

Bit 15: External trigger polarity.

DIER

DMA/Interrupt enable register

Offset: 0xc, reset: 0x0000, access: read-write

1/15 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
	TDE rw	COMDE rw	CC4DE rw	CC3DE rw	CC2DE rw	CC1DE rw	UDE rw	BIE rw	TIE rw	COMIE rw	CC4IE rw	CC3IE rw	CC2IE rw	CC1IE rw	UIE rw

Toggle Fields

UIE

Bit 0: Update interrupt enable.

Allowed values:
0: Disabled: Update interrupt disabled
1: Enabled: Update interrupt enabled

CC1IE

Bit 1: Capture/Compare 1 interrupt enable.

CC2IE

Bit 2: Capture/Compare 2 interrupt enable.

CC3IE

Bit 3: Capture/Compare 3 interrupt enable.

CC4IE

Bit 4: Capture/Compare 4 interrupt enable.

COMIE

Bit 5: COM interrupt enable.

TIE

Bit 6: Trigger interrupt enable.

BIE

Bit 7: Break interrupt enable.

UDE

Bit 8: Update DMA request enable.

CC1DE

Bit 9: Capture/Compare 1 DMA request enable.

CC2DE

Bit 10: Capture/Compare 2 DMA request enable.

CC3DE

Bit 11: Capture/Compare 3 DMA request enable.

CC4DE

Bit 12: Capture/Compare 4 DMA request enable.

COMDE

Bit 13: COM DMA request enable.

TDE

Bit 14: Trigger DMA request enable.

SR

status register

Offset: 0x10, reset: 0x0000, access: read-write

1/12 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
			CC4OF rw	CC3OF rw	CC2OF rw	CC1OF rw		BIF rw	TIF rw	COMIF rw	CC4IF rw	CC3IF rw	CC2IF rw	CC1IF rw	UIF rw

Toggle Fields

UIF

Bit 0: Update interrupt flag.

Allowed values:
0: Clear: No update occurred
1: UpdatePending: Update interrupt pending.

CC1IF

Bit 1: Capture/compare 1 interrupt flag.

CC2IF

Bit 2: Capture/Compare 2 interrupt flag.

CC3IF

Bit 3: Capture/Compare 3 interrupt flag.

CC4IF

Bit 4: Capture/Compare 4 interrupt flag.

COMIF

Bit 5: COM interrupt flag.

TIF

Bit 6: Trigger interrupt flag.

BIF

Bit 7: Break interrupt flag.

CC1OF

Bit 9: Capture/Compare 1 overcapture flag.

CC2OF

Bit 10: Capture/compare 2 overcapture flag.

CC3OF

Bit 11: Capture/Compare 3 overcapture flag.

CC4OF

Bit 12: Capture/Compare 4 overcapture flag.

EGR

event generation register

Offset: 0x14, reset: 0x0000, access: write-only

1/8 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
								BG w	TG w	COMG w	CC4G w	CC3G w	CC2G w	CC1G w	UG w

Toggle Fields

UG

Bit 0: Update generation.

Allowed values:
1: Update: Re-initializes the timer counter and generates an update of the registers.

CC1G

Bit 1: Capture/compare 1 generation.

CC2G

Bit 2: Capture/compare 2 generation.

CC3G

Bit 3: Capture/compare 3 generation.

CC4G

Bit 4: Capture/compare 4 generation.

COMG

Bit 5: Capture/Compare control update generation.

TG

Bit 6: Trigger generation.

BG

Bit 7: Break generation.

CCMR1_Input

capture/compare mode register 1 (input mode)

Offset: 0x18, reset: 0x00000000, access: read-write

0/6 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
IC2F rw				IC2PSC rw		CC2S rw		IC1F rw				IC1PSC rw		CC1S rw

Toggle Fields

CC1S

Bits 0-1: Capture/Compare 1 selection.

IC1PSC

Bits 2-3: Input capture 1 prescaler.

IC1F

Bits 4-7: Input capture 1 filter.

CC2S

Bits 8-9: Capture/Compare 2 selection.

IC2PSC

Bits 10-11: Input capture 2 prescaler.

IC2F

Bits 12-15: Input capture 2 filter.

CCMR1_Output

capture/compare mode register 1 (output mode)

Offset: 0x18, reset: 0x00000000, access: read-write

2/10 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
OC2CE rw	OC2M rw			OC2PE rw	OC2FE rw	CC2S rw		OC1CE rw	OC1M rw			OC1PE rw	OC1FE rw	CC1S rw

Toggle Fields

CC1S

Bits 0-1: Capture/Compare 1 selection.

OC1FE

Bit 2: Output Compare 1 fast enable.

OC1PE

Bit 3: Output Compare 1 preload enable.

OC1M

Bits 4-6: Output Compare 1 mode.

OC1CE

Bit 7: Output Compare 1 clear enable.

CC2S

Bits 8-9: Capture/Compare 2 selection.

OC2FE

Bit 10: Output Compare 2 fast enable.

OC2PE

Bit 11: Output Compare 2 preload enable.

OC2M

Bits 12-14: Output Compare 2 mode.

OC2CE

Bit 15: Output Compare 2 clear enable.

CCMR2_Input

capture/compare mode register 2 (input mode)

Offset: 0x1c, reset: 0x00000000, access: read-write

0/6 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
IC4F rw				IC4PSC rw		CC4S rw		IC3F rw				IC3PSC rw		CC3S rw

Toggle Fields

CC3S

Bits 0-1: Capture/compare 3 selection.

IC3PSC

Bits 2-3: Input capture 3 prescaler.

IC3F

Bits 4-7: Input capture 3 filter.

CC4S

Bits 8-9: Capture/Compare 4 selection.

IC4PSC

Bits 10-11: Input capture 4 prescaler.

IC4F

Bits 12-15: Input capture 4 filter.

CCMR2_Output

capture/compare mode register 2 (output mode)

Offset: 0x1c, reset: 0x00000000, access: read-write

2/10 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
OC4CE rw	OC4M rw			OC4PE rw	OC4FE rw	CC4S rw		OC3CE rw	OC3M rw			OC3PE rw	OC3FE rw	CC3S rw

Toggle Fields

CC3S

Bits 0-1: Capture/Compare 3 selection.

OC3FE

Bit 2: Output compare 3 fast enable.

OC3PE

Bit 3: Output compare 3 preload enable.

OC3M

Bits 4-6: Output compare 3 mode.

OC3CE

Bit 7: Output compare 3 clear enable.

CC4S

Bits 8-9: Capture/Compare 4 selection.

OC4FE

Bit 10: Output compare 4 fast enable.

OC4PE

Bit 11: Output compare 4 preload enable.

OC4M

Bits 12-14: Output compare 4 mode.

OC4CE

Bit 15: Output compare 4 clear enable.

CCER

capture/compare enable register

Offset: 0x20, reset: 0x0000, access: read-write

0/14 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
		CC4P rw	CC4E rw	CC3NP rw	CC3NE rw	CC3P rw	CC3E rw	CC2NP rw	CC2NE rw	CC2P rw	CC2E rw	CC1NP rw	CC1NE rw	CC1P rw	CC1E rw

Toggle Fields

CC1E

Bit 0: Capture/Compare 1 output enable.

CC1P

Bit 1: Capture/Compare 1 output Polarity.

CC1NE

Bit 2: Capture/Compare 1 complementary output enable.

CC1NP

Bit 3: Capture/Compare 1 output Polarity.

CC2E

Bit 4: Capture/Compare 2 output enable.

CC2P

Bit 5: Capture/Compare 2 output Polarity.

CC2NE

Bit 6: Capture/Compare 2 complementary output enable.

CC2NP

Bit 7: Capture/Compare 2 output Polarity.

CC3E

Bit 8: Capture/Compare 3 output enable.

CC3P

Bit 9: Capture/Compare 3 output Polarity.

CC3NE

Bit 10: Capture/Compare 3 complementary output enable.

CC3NP

Bit 11: Capture/Compare 3 output Polarity.

CC4E

Bit 12: Capture/Compare 4 output enable.

CC4P

Bit 13: Capture/Compare 3 output Polarity.

CNT

counter

Offset: 0x24, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
CNT rw

Toggle Fields

CNT

Bits 0-15: counter value.

PSC

prescaler

Offset: 0x28, reset: 0x0000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
PSC rw

Toggle Fields

PSC

Bits 0-15: Prescaler value.

Allowed values: 0x0-0xffff

ARR

auto-reload register

Offset: 0x2c, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
ARR rw

Toggle Fields

ARR

Bits 0-15: Auto-reload value.

RCR

repetition counter register

Offset: 0x30, reset: 0x0000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
								REP rw

Toggle Fields

REP

Bits 0-7: Repetition counter value.

CCR[1]

capture/compare register

Offset: 0x34, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
CCR rw

Toggle Fields

CCR

Bits 0-15: Capture/Compare value.

CCR[2]

capture/compare register

Offset: 0x38, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
CCR rw

Toggle Fields

CCR

Bits 0-15: Capture/Compare value.

CCR[3]

capture/compare register

Offset: 0x3c, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
CCR rw

Toggle Fields

CCR

Bits 0-15: Capture/Compare value.

CCR[4]

capture/compare register

Offset: 0x40, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
CCR rw

Toggle Fields

CCR

Bits 0-15: Capture/Compare value.

BDTR

break and dead-time register

Offset: 0x44, reset: 0x0000, access: read-write

0/8 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
MOE rw	AOE rw	BKP rw	BKE rw	OSSR rw	OSSI rw	LOCK rw		DTG rw

Toggle Fields

DTG

Bits 0-7: Dead-time generator setup.

LOCK

Bits 8-9: Lock configuration.

OSSI

Bit 10: Off-state selection for Idle mode.

OSSR

Bit 11: Off-state selection for Run mode.

BKE

Bit 12: Break enable.

BKP

Bit 13: Break polarity.

AOE

Bit 14: Automatic output enable.

MOE

Bit 15: Main output enable.

DCR

DMA control register

Offset: 0x48, reset: 0x0000, access: read-write

0/2 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
			DBL rw								DBA rw

Toggle Fields

DBA

Bits 0-4: DMA base address.

DBL

Bits 8-12: DMA burst length.

DMAR

DMA address for full transfer

Offset: 0x4c, reset: 0x0000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
DMAB rw

Toggle Fields

DMAB

Bits 0-15: DMA register for burst accesses.

TIM9

0x40014000: General purpose timers

12/49 fields covered. Toggle Registers

Show register map

Offset	Name	15	14	11	10	9	7	6	5	4	3	2	1	0
0x0	CR1					CKD	ARPE				OPM	URS	UDIS	CEN
0x4	CR2							MMS
0x8	SMCR						MSM	TS				SMS
0xc	DIER							TIE				CC2IE	CC1IE	UIE
0x10	SR				CC2OF	CC1OF		TIF				CC2IF	CC1IF	UIF
0x14	EGR							TG				CC2G	CC1G	UG
0x18	CCMR1_Input		IC2F	IC2PSC		CC2S		IC1F			IC1PSC		CC1S
0x18	CCMR1_Output		OC2M	OC2PE	OC2FE	CC2S		OC1M			OC1PE	OC1FE	CC1S
0x20	CCER						CC2NP		CC2P	CC2E	CC1NP		CC1P	CC1E
0x24	CNT	CNT
0x28	PSC	PSC
0x2c	ARR	ARR
0x34	CCR[1]	CCR
0x38	CCR[2]	CCR

CR1

control register 1

Offset: 0x0, reset: 0x0000, access: read-write

6/6 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
						CKD rw		ARPE rw				OPM rw	URS rw	UDIS rw	CEN rw

Toggle Fields

CEN

Bit 0: Counter enable.

Allowed values:
0: Disabled: Counter disabled
1: Enabled: Counter enabled

UDIS

Bit 1: Update disable.

Allowed values:
0: Enabled: Update event enabled
1: Disabled: Update event disabled

URS

Bit 2: Update request source.

OPM

Bit 3: One-pulse mode.

Allowed values:
0: Disabled: Counter is not stopped at update event
1: Enabled: Counter stops counting at the next update event (clearing the CEN bit)

ARPE

Bit 7: Auto-reload preload enable.

Allowed values:
0: Disabled: TIMx_APRR register is not buffered
1: Enabled: TIMx_APRR register is buffered

CKD

Bits 8-9: Clock division.

Allowed values:
0: Div1: t_DTS = t_CK_INT
1: Div2: t_DTS = 2 × t_CK_INT
2: Div4: t_DTS = 4 × t_CK_INT

CR2

control register 2

Offset: 0x4, reset: 0x0000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
									MMS rw

Toggle Fields

MMS

Bits 4-6: Master mode selection.

SMCR

slave mode control register

Offset: 0x8, reset: 0x0000, access: read-write

0/3 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
								MSM rw	TS rw				SMS rw

Toggle Fields

SMS

Bits 0-2: Slave mode selection.

TS

Bits 4-6: Trigger selection.

MSM

Bit 7: Master/Slave mode.

DIER

DMA/Interrupt enable register

Offset: 0xc, reset: 0x0000, access: read-write

1/4 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
									TIE rw				CC2IE rw	CC1IE rw	UIE rw

Toggle Fields

UIE

Bit 0: Update interrupt enable.

Allowed values:
0: Disabled: Update interrupt disabled
1: Enabled: Update interrupt enabled

CC1IE

Bit 1: Capture/Compare 1 interrupt enable.

CC2IE

Bit 2: Capture/Compare 2 interrupt enable.

TIE

Bit 6: Trigger interrupt enable.

SR

status register

Offset: 0x10, reset: 0x0000, access: read-write

1/6 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
					CC2OF rw	CC1OF rw			TIF rw				CC2IF rw	CC1IF rw	UIF rw

Toggle Fields

UIF

Bit 0: Update interrupt flag.

Allowed values:
0: Clear: No update occurred
1: UpdatePending: Update interrupt pending.

CC1IF

Bit 1: Capture/compare 1 interrupt flag.

CC2IF

Bit 2: Capture/Compare 2 interrupt flag.

TIF

Bit 6: Trigger interrupt flag.

CC1OF

Bit 9: Capture/Compare 1 overcapture flag.

CC2OF

Bit 10: Capture/compare 2 overcapture flag.

EGR

event generation register

Offset: 0x14, reset: 0x0000, access: write-only

1/4 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
									TG w				CC2G w	CC1G w	UG w

Toggle Fields

UG

Bit 0: Update generation.

Allowed values:
1: Update: Re-initializes the timer counter and generates an update of the registers.

CC1G

Bit 1: Capture/compare 1 generation.

CC2G

Bit 2: Capture/compare 2 generation.

TG

Bit 6: Trigger generation.

CCMR1_Input

capture/compare mode register 1 (input mode)

Offset: 0x18, reset: 0x00000000, access: read-write

0/6 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
	IC2F rw			IC2PSC rw		CC2S rw			IC1F rw			IC1PSC rw		CC1S rw

Toggle Fields

CC1S

Bits 0-1: Capture/Compare 1 selection.

IC1PSC

Bits 2-3: Input capture 1 prescaler.

IC1F

Bits 4-6: Input capture 1 filter.

CC2S

Bits 8-9: Capture/Compare 2 selection.

IC2PSC

Bits 10-11: Input capture 2 prescaler.

IC2F

Bits 12-14: Input capture 2 filter.

CCMR1_Output

capture/compare mode register 1 (output mode)

Offset: 0x18, reset: 0x00000000, access: read-write

2/8 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
	OC2M rw			OC2PE rw	OC2FE rw	CC2S rw			OC1M rw			OC1PE rw	OC1FE rw	CC1S rw

Toggle Fields

CC1S

Bits 0-1: Capture/Compare 1 selection.

OC1FE

Bit 2: Output Compare 1 fast enable.

OC1PE

Bit 3: Output Compare 1 preload enable.

OC1M

Bits 4-6: Output Compare 1 mode.

CC2S

Bits 8-9: Capture/Compare 2 selection.

OC2FE

Bit 10: Output Compare 2 fast enable.

OC2PE

Bit 11: Output Compare 2 preload enable.

OC2M

Bits 12-14: Output Compare 2 mode.

CCER

capture/compare enable register

Offset: 0x20, reset: 0x0000, access: read-write

0/6 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
								CC2NP rw		CC2P rw	CC2E rw	CC1NP rw		CC1P rw	CC1E rw

Toggle Fields

CC1E

Bit 0: Capture/Compare 1 output enable.

CC1P

Bit 1: Capture/Compare 1 output Polarity.

CC1NP

Bit 3: Capture/Compare 1 output Polarity.

CC2E

Bit 4: Capture/Compare 2 output enable.

CC2P

Bit 5: Capture/Compare 2 output Polarity.

CC2NP

Bit 7: Capture/Compare 2 output Polarity.

CNT

counter

Offset: 0x24, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
CNT rw

Toggle Fields

CNT

Bits 0-15: counter value.

PSC

prescaler

Offset: 0x28, reset: 0x0000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
PSC rw

Toggle Fields

PSC

Bits 0-15: Prescaler value.

Allowed values: 0x0-0xffff

ARR

auto-reload register

Offset: 0x2c, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
ARR rw

Toggle Fields

ARR

Bits 0-15: Auto-reload value.

CCR[1]

capture/compare register

Offset: 0x34, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
CCR rw

Toggle Fields

CCR

Bits 0-15: Capture/Compare value.

CCR[2]

capture/compare register

Offset: 0x38, reset: 0x00000000, access: read-write

0/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
CCR rw

Toggle Fields

CCR

Bits 0-15: Capture/Compare value.

USART1

0x40011000: Universal synchronous asynchronous receiver transmitter

44/51 fields covered. Toggle Registers

Show register map

Offset	Name	15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
0x0	SR							CTS	LBD	TXE	TC	RXNE	IDLE	ORE	NF	FE	PE
0x4	DR								DR
0x8	BRR	DIV_Mantissa												DIV_Fraction
0xc	CR1	OVER8		UE	M	WAKE	PCE	PS	PEIE	TXEIE	TCIE	RXNEIE	IDLEIE	TE	RE	RWU	SBK
0x10	CR2		LINEN	STOP		CLKEN	CPOL	CPHA	LBCL		LBDIE	LBDL		ADD
0x14	CR3					ONEBIT	CTSIE	CTSE	RTSE	DMAT	DMAR	SCEN	NACK	HDSEL	IRLP	IREN	EIE
0x18	GTPR	GT								PSC

SR

Status register

Offset: 0x0, reset: 0x00C00000, access: Unspecified

6/10 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
						CTS rw	LBD rw	TXE r	TC rw	RXNE rw	IDLE r	ORE r	NF r	FE r	PE r

Toggle Fields

PE

Bit 0: Parity error.

FE

Bit 1: Framing error.

NF

Bit 2: Noise detected flag.

ORE

Bit 3: Overrun error.

IDLE

Bit 4: IDLE line detected.

RXNE

Bit 5: Read data register not empty.

TC

Bit 6: Transmission complete.

TXE

Bit 7: Transmit data register empty.

LBD

Bit 8: LIN break detection flag.

CTS

Bit 9: CTS flag.

DR

Data register

Offset: 0x4, reset: 0x00000000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
							DR rw

Toggle Fields

DR

Bits 0-8: Data value.

Allowed values: 0x0-0x1ff

BRR

Baud rate register

Offset: 0x8, reset: 0x0000, access: read-write

2/2 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
DIV_Mantissa rw												DIV_Fraction rw

Toggle Fields

DIV_Fraction

Bits 0-3: fraction of USARTDIV.

Allowed values: 0x0-0xf

DIV_Mantissa

Bits 4-15: mantissa of USARTDIV.

Allowed values: 0x0-0xfff

CR1

Control register 1

Offset: 0xc, reset: 0x0000, access: read-write

15/15 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
OVER8 rw		UE rw	M rw	WAKE rw	PCE rw	PS rw	PEIE rw	TXEIE rw	TCIE rw	RXNEIE rw	IDLEIE rw	TE rw	RE rw	RWU rw	SBK rw

Toggle Fields

SBK

Bit 0: Send break.

Allowed values:
0: NoBreak: No break character is transmitted
1: Break: Break character transmitted

RWU

Bit 1: Receiver wakeup.

Allowed values:
0: Active: Receiver in active mode
1: Mute: Receiver in mute mode

RE

Bit 2: Receiver enable.

Allowed values:
0: Disabled: Receiver disabled
1: Enabled: Receiver enabled

TE

Bit 3: Transmitter enable.

Allowed values:
0: Disabled: Transmitter disabled
1: Enabled: Transmitter enabled

IDLEIE

Bit 4: IDLE interrupt enable.

Allowed values:
0: Disabled: IDLE interrupt disabled
1: Enabled: IDLE interrupt enabled

RXNEIE

Bit 5: RXNE interrupt enable.

Allowed values:
0: Disabled: RXNE interrupt disabled
1: Enabled: RXNE interrupt enabled

TCIE

Bit 6: Transmission complete interrupt enable.

Allowed values:
0: Disabled: TC interrupt disabled
1: Enabled: TC interrupt enabled

TXEIE

Bit 7: TXE interrupt enable.

Allowed values:
0: Disabled: TXE interrupt disabled
1: Enabled: TXE interrupt enabled

PEIE

Bit 8: PE interrupt enable.

Allowed values:
0: Disabled: PE interrupt disabled
1: Enabled: PE interrupt enabled

PS

Bit 9: Parity selection.

Allowed values:
0: Even: Even parity
1: Odd: Odd parity

PCE

Bit 10: Parity control enable.

Allowed values:
0: Disabled: Parity control disabled
1: Enabled: Parity control enabled

WAKE

Bit 11: Wakeup method.

Allowed values:
0: IdleLine: USART wakeup on idle line
1: AddressMark: USART wakeup on address mark

M

Bit 12: Word length.

Allowed values:
0: M8: 8 data bits
1: M9: 9 data bits

UE

Bit 13: USART enable.

Allowed values:
0: Disabled: USART prescaler and outputs disabled
1: Enabled: USART enabled

OVER8

Bit 15: Oversampling mode.

Allowed values:
0: Oversample16: Oversampling by 16
1: Oversample8: Oversampling by 8

CR2

Control register 2

Offset: 0x10, reset: 0x0000, access: read-write

8/9 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
	LINEN rw	STOP rw		CLKEN rw	CPOL rw	CPHA rw	LBCL rw		LBDIE rw	LBDL rw		ADD rw

Toggle Fields

ADD

Bits 0-3: Address of the USART node.

Allowed values: 0x0-0xf

LBDL

Bit 5: lin break detection length.

Allowed values:
0: LBDL10: 10-bit break detection
1: LBDL11: 11-bit break detection

LBDIE

Bit 6: LIN break detection interrupt enable.

Allowed values:
0: Disabled: LIN break detection interrupt disabled
1: Enabled: LIN break detection interrupt enabled

LBCL

Bit 8: Last bit clock pulse.

CPHA

Bit 9: Clock phase.

Allowed values:
0: First: The first clock transition is the first data capture edge
1: Second: The second clock transition is the first data capture edge

CPOL

Bit 10: Clock polarity.

Allowed values:
0: Low: Steady low value on CK pin outside transmission window
1: High: Steady high value on CK pin outside transmission window

CLKEN

Bit 11: Clock enable.

Allowed values:
0: Disabled: CK pin disabled
1: Enabled: CK pin enabled

STOP

Bits 12-13: STOP bits.

Allowed values:
0: Stop1: 1 stop bit
1: Stop0p5: 0.5 stop bits
2: Stop2: 2 stop bits
3: Stop1p5: 1.5 stop bits

LINEN

Bit 14: LIN mode enable.

Allowed values:
0: Disabled: LIN mode disabled
1: Enabled: LIN mode enabled

CR3

Control register 3

Offset: 0x14, reset: 0x0000, access: read-write

12/12 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
				ONEBIT rw	CTSIE rw	CTSE rw	RTSE rw	DMAT rw	DMAR rw	SCEN rw	NACK rw	HDSEL rw	IRLP rw	IREN rw	EIE rw

Toggle Fields

EIE

Bit 0: Error interrupt enable.

Allowed values:
0: Disabled: Error interrupt disabled
1: Enabled: Error interrupt enabled

IREN

Bit 1: IrDA mode enable.

Allowed values:
0: Disabled: IrDA disabled
1: Enabled: IrDA enabled

IRLP

Bit 2: IrDA low-power.

Allowed values:
0: Normal: Normal mode
1: LowPower: Low-power mode

HDSEL

Bit 3: Half-duplex selection.

Allowed values:
0: FullDuplex: Half duplex mode is not selected
1: HalfDuplex: Half duplex mode is selected

NACK

Bit 4: Smartcard NACK enable.

Allowed values:
0: Disabled: NACK transmission in case of parity error is disabled
1: Enabled: NACK transmission during parity error is enabled

SCEN

Bit 5: Smartcard mode enable.

Allowed values:
0: Disabled: Smartcard mode disabled
1: Enabled: Smartcard mode enabled

DMAR

Bit 6: DMA enable receiver.

Allowed values:
0: Disabled: DMA mode is disabled for reception
1: Enabled: DMA mode is enabled for reception

DMAT

Bit 7: DMA enable transmitter.

Allowed values:
0: Disabled: DMA mode is disabled for transmission
1: Enabled: DMA mode is enabled for transmission

RTSE

Bit 8: RTS enable.

Allowed values:
0: Disabled: RTS hardware flow control disabled
1: Enabled: RTS hardware flow control enabled

CTSE

Bit 9: CTS enable.

Allowed values:
0: Disabled: CTS hardware flow control disabled
1: Enabled: CTS hardware flow control enabled

CTSIE

Bit 10: CTS interrupt enable.

Allowed values:
0: Disabled: CTS interrupt disabled
1: Enabled: CTS interrupt enabled

ONEBIT

Bit 11: One sample bit method enable.

Allowed values:
0: Sample3: Three sample bit method
1: Sample1: One sample bit method

GTPR

Guard time and prescaler register

Offset: 0x18, reset: 0x0000, access: read-write

0/2 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
GT rw								PSC rw

Toggle Fields

PSC

Bits 0-7: Prescaler value.

GT

Bits 8-15: Guard time value.

USART2

0x40004400: Universal synchronous asynchronous receiver transmitter

44/51 fields covered. Toggle Registers

Show register map

Offset	Name	15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
0x0	SR							CTS	LBD	TXE	TC	RXNE	IDLE	ORE	NF	FE	PE
0x4	DR								DR
0x8	BRR	DIV_Mantissa												DIV_Fraction
0xc	CR1	OVER8		UE	M	WAKE	PCE	PS	PEIE	TXEIE	TCIE	RXNEIE	IDLEIE	TE	RE	RWU	SBK
0x10	CR2		LINEN	STOP		CLKEN	CPOL	CPHA	LBCL		LBDIE	LBDL		ADD
0x14	CR3					ONEBIT	CTSIE	CTSE	RTSE	DMAT	DMAR	SCEN	NACK	HDSEL	IRLP	IREN	EIE
0x18	GTPR	GT								PSC

SR

Status register

Offset: 0x0, reset: 0x00C00000, access: Unspecified

6/10 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
						CTS rw	LBD rw	TXE r	TC rw	RXNE rw	IDLE r	ORE r	NF r	FE r	PE r

Toggle Fields

PE

Bit 0: Parity error.

FE

Bit 1: Framing error.

NF

Bit 2: Noise detected flag.

ORE

Bit 3: Overrun error.

IDLE

Bit 4: IDLE line detected.

RXNE

Bit 5: Read data register not empty.

TC

Bit 6: Transmission complete.

TXE

Bit 7: Transmit data register empty.

LBD

Bit 8: LIN break detection flag.

CTS

Bit 9: CTS flag.

DR

Data register

Offset: 0x4, reset: 0x00000000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
							DR rw

Toggle Fields

DR

Bits 0-8: Data value.

Allowed values: 0x0-0x1ff

BRR

Baud rate register

Offset: 0x8, reset: 0x0000, access: read-write

2/2 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
DIV_Mantissa rw												DIV_Fraction rw

Toggle Fields

DIV_Fraction

Bits 0-3: fraction of USARTDIV.

Allowed values: 0x0-0xf

DIV_Mantissa

Bits 4-15: mantissa of USARTDIV.

Allowed values: 0x0-0xfff

CR1

Control register 1

Offset: 0xc, reset: 0x0000, access: read-write

15/15 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
OVER8 rw		UE rw	M rw	WAKE rw	PCE rw	PS rw	PEIE rw	TXEIE rw	TCIE rw	RXNEIE rw	IDLEIE rw	TE rw	RE rw	RWU rw	SBK rw

Toggle Fields

SBK

Bit 0: Send break.

Allowed values:
0: NoBreak: No break character is transmitted
1: Break: Break character transmitted

RWU

Bit 1: Receiver wakeup.

Allowed values:
0: Active: Receiver in active mode
1: Mute: Receiver in mute mode

RE

Bit 2: Receiver enable.

Allowed values:
0: Disabled: Receiver disabled
1: Enabled: Receiver enabled

TE

Bit 3: Transmitter enable.

Allowed values:
0: Disabled: Transmitter disabled
1: Enabled: Transmitter enabled

IDLEIE

Bit 4: IDLE interrupt enable.

Allowed values:
0: Disabled: IDLE interrupt disabled
1: Enabled: IDLE interrupt enabled

RXNEIE

Bit 5: RXNE interrupt enable.

Allowed values:
0: Disabled: RXNE interrupt disabled
1: Enabled: RXNE interrupt enabled

TCIE

Bit 6: Transmission complete interrupt enable.

Allowed values:
0: Disabled: TC interrupt disabled
1: Enabled: TC interrupt enabled

TXEIE

Bit 7: TXE interrupt enable.

Allowed values:
0: Disabled: TXE interrupt disabled
1: Enabled: TXE interrupt enabled

PEIE

Bit 8: PE interrupt enable.

Allowed values:
0: Disabled: PE interrupt disabled
1: Enabled: PE interrupt enabled

PS

Bit 9: Parity selection.

Allowed values:
0: Even: Even parity
1: Odd: Odd parity

PCE

Bit 10: Parity control enable.

Allowed values:
0: Disabled: Parity control disabled
1: Enabled: Parity control enabled

WAKE

Bit 11: Wakeup method.

Allowed values:
0: IdleLine: USART wakeup on idle line
1: AddressMark: USART wakeup on address mark

M

Bit 12: Word length.

Allowed values:
0: M8: 8 data bits
1: M9: 9 data bits

UE

Bit 13: USART enable.

Allowed values:
0: Disabled: USART prescaler and outputs disabled
1: Enabled: USART enabled

OVER8

Bit 15: Oversampling mode.

Allowed values:
0: Oversample16: Oversampling by 16
1: Oversample8: Oversampling by 8

CR2

Control register 2

Offset: 0x10, reset: 0x0000, access: read-write

8/9 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
	LINEN rw	STOP rw		CLKEN rw	CPOL rw	CPHA rw	LBCL rw		LBDIE rw	LBDL rw		ADD rw

Toggle Fields

ADD

Bits 0-3: Address of the USART node.

Allowed values: 0x0-0xf

LBDL

Bit 5: lin break detection length.

Allowed values:
0: LBDL10: 10-bit break detection
1: LBDL11: 11-bit break detection

LBDIE

Bit 6: LIN break detection interrupt enable.

Allowed values:
0: Disabled: LIN break detection interrupt disabled
1: Enabled: LIN break detection interrupt enabled

LBCL

Bit 8: Last bit clock pulse.

CPHA

Bit 9: Clock phase.

Allowed values:
0: First: The first clock transition is the first data capture edge
1: Second: The second clock transition is the first data capture edge

CPOL

Bit 10: Clock polarity.

Allowed values:
0: Low: Steady low value on CK pin outside transmission window
1: High: Steady high value on CK pin outside transmission window

CLKEN

Bit 11: Clock enable.

Allowed values:
0: Disabled: CK pin disabled
1: Enabled: CK pin enabled

STOP

Bits 12-13: STOP bits.

Allowed values:
0: Stop1: 1 stop bit
1: Stop0p5: 0.5 stop bits
2: Stop2: 2 stop bits
3: Stop1p5: 1.5 stop bits

LINEN

Bit 14: LIN mode enable.

Allowed values:
0: Disabled: LIN mode disabled
1: Enabled: LIN mode enabled

CR3

Control register 3

Offset: 0x14, reset: 0x0000, access: read-write

12/12 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
				ONEBIT rw	CTSIE rw	CTSE rw	RTSE rw	DMAT rw	DMAR rw	SCEN rw	NACK rw	HDSEL rw	IRLP rw	IREN rw	EIE rw

Toggle Fields

EIE

Bit 0: Error interrupt enable.

Allowed values:
0: Disabled: Error interrupt disabled
1: Enabled: Error interrupt enabled

IREN

Bit 1: IrDA mode enable.

Allowed values:
0: Disabled: IrDA disabled
1: Enabled: IrDA enabled

IRLP

Bit 2: IrDA low-power.

Allowed values:
0: Normal: Normal mode
1: LowPower: Low-power mode

HDSEL

Bit 3: Half-duplex selection.

Allowed values:
0: FullDuplex: Half duplex mode is not selected
1: HalfDuplex: Half duplex mode is selected

NACK

Bit 4: Smartcard NACK enable.

Allowed values:
0: Disabled: NACK transmission in case of parity error is disabled
1: Enabled: NACK transmission during parity error is enabled

SCEN

Bit 5: Smartcard mode enable.

Allowed values:
0: Disabled: Smartcard mode disabled
1: Enabled: Smartcard mode enabled

DMAR

Bit 6: DMA enable receiver.

Allowed values:
0: Disabled: DMA mode is disabled for reception
1: Enabled: DMA mode is enabled for reception

DMAT

Bit 7: DMA enable transmitter.

Allowed values:
0: Disabled: DMA mode is disabled for transmission
1: Enabled: DMA mode is enabled for transmission

RTSE

Bit 8: RTS enable.

Allowed values:
0: Disabled: RTS hardware flow control disabled
1: Enabled: RTS hardware flow control enabled

CTSE

Bit 9: CTS enable.

Allowed values:
0: Disabled: CTS hardware flow control disabled
1: Enabled: CTS hardware flow control enabled

CTSIE

Bit 10: CTS interrupt enable.

Allowed values:
0: Disabled: CTS interrupt disabled
1: Enabled: CTS interrupt enabled

ONEBIT

Bit 11: One sample bit method enable.

Allowed values:
0: Sample3: Three sample bit method
1: Sample1: One sample bit method

GTPR

Guard time and prescaler register

Offset: 0x18, reset: 0x0000, access: read-write

0/2 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
GT rw								PSC rw

Toggle Fields

PSC

Bits 0-7: Prescaler value.

GT

Bits 8-15: Guard time value.

USART6

0x40011400: Universal synchronous asynchronous receiver transmitter

44/51 fields covered. Toggle Registers

Show register map

Offset	Name	15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
0x0	SR							CTS	LBD	TXE	TC	RXNE	IDLE	ORE	NF	FE	PE
0x4	DR								DR
0x8	BRR	DIV_Mantissa												DIV_Fraction
0xc	CR1	OVER8		UE	M	WAKE	PCE	PS	PEIE	TXEIE	TCIE	RXNEIE	IDLEIE	TE	RE	RWU	SBK
0x10	CR2		LINEN	STOP		CLKEN	CPOL	CPHA	LBCL		LBDIE	LBDL		ADD
0x14	CR3					ONEBIT	CTSIE	CTSE	RTSE	DMAT	DMAR	SCEN	NACK	HDSEL	IRLP	IREN	EIE
0x18	GTPR	GT								PSC

SR

Status register

Offset: 0x0, reset: 0x00C00000, access: Unspecified

6/10 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
						CTS rw	LBD rw	TXE r	TC rw	RXNE rw	IDLE r	ORE r	NF r	FE r	PE r

Toggle Fields

PE

Bit 0: Parity error.

FE

Bit 1: Framing error.

NF

Bit 2: Noise detected flag.

ORE

Bit 3: Overrun error.

IDLE

Bit 4: IDLE line detected.

RXNE

Bit 5: Read data register not empty.

TC

Bit 6: Transmission complete.

TXE

Bit 7: Transmit data register empty.

LBD

Bit 8: LIN break detection flag.

CTS

Bit 9: CTS flag.

DR

Data register

Offset: 0x4, reset: 0x00000000, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
							DR rw

Toggle Fields

DR

Bits 0-8: Data value.

Allowed values: 0x0-0x1ff

BRR

Baud rate register

Offset: 0x8, reset: 0x0000, access: read-write

2/2 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
DIV_Mantissa rw												DIV_Fraction rw

Toggle Fields

DIV_Fraction

Bits 0-3: fraction of USARTDIV.

Allowed values: 0x0-0xf

DIV_Mantissa

Bits 4-15: mantissa of USARTDIV.

Allowed values: 0x0-0xfff

CR1

Control register 1

Offset: 0xc, reset: 0x0000, access: read-write

15/15 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
OVER8 rw		UE rw	M rw	WAKE rw	PCE rw	PS rw	PEIE rw	TXEIE rw	TCIE rw	RXNEIE rw	IDLEIE rw	TE rw	RE rw	RWU rw	SBK rw

Toggle Fields

SBK

Bit 0: Send break.

Allowed values:
0: NoBreak: No break character is transmitted
1: Break: Break character transmitted

RWU

Bit 1: Receiver wakeup.

Allowed values:
0: Active: Receiver in active mode
1: Mute: Receiver in mute mode

RE

Bit 2: Receiver enable.

Allowed values:
0: Disabled: Receiver disabled
1: Enabled: Receiver enabled

TE

Bit 3: Transmitter enable.

Allowed values:
0: Disabled: Transmitter disabled
1: Enabled: Transmitter enabled

IDLEIE

Bit 4: IDLE interrupt enable.

Allowed values:
0: Disabled: IDLE interrupt disabled
1: Enabled: IDLE interrupt enabled

RXNEIE

Bit 5: RXNE interrupt enable.

Allowed values:
0: Disabled: RXNE interrupt disabled
1: Enabled: RXNE interrupt enabled

TCIE

Bit 6: Transmission complete interrupt enable.

Allowed values:
0: Disabled: TC interrupt disabled
1: Enabled: TC interrupt enabled

TXEIE

Bit 7: TXE interrupt enable.

Allowed values:
0: Disabled: TXE interrupt disabled
1: Enabled: TXE interrupt enabled

PEIE

Bit 8: PE interrupt enable.

Allowed values:
0: Disabled: PE interrupt disabled
1: Enabled: PE interrupt enabled

PS

Bit 9: Parity selection.

Allowed values:
0: Even: Even parity
1: Odd: Odd parity

PCE

Bit 10: Parity control enable.

Allowed values:
0: Disabled: Parity control disabled
1: Enabled: Parity control enabled

WAKE

Bit 11: Wakeup method.

Allowed values:
0: IdleLine: USART wakeup on idle line
1: AddressMark: USART wakeup on address mark

M

Bit 12: Word length.

Allowed values:
0: M8: 8 data bits
1: M9: 9 data bits

UE

Bit 13: USART enable.

Allowed values:
0: Disabled: USART prescaler and outputs disabled
1: Enabled: USART enabled

OVER8

Bit 15: Oversampling mode.

Allowed values:
0: Oversample16: Oversampling by 16
1: Oversample8: Oversampling by 8

CR2

Control register 2

Offset: 0x10, reset: 0x0000, access: read-write

8/9 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
	LINEN rw	STOP rw		CLKEN rw	CPOL rw	CPHA rw	LBCL rw		LBDIE rw	LBDL rw		ADD rw

Toggle Fields

ADD

Bits 0-3: Address of the USART node.

Allowed values: 0x0-0xf

LBDL

Bit 5: lin break detection length.

Allowed values:
0: LBDL10: 10-bit break detection
1: LBDL11: 11-bit break detection

LBDIE

Bit 6: LIN break detection interrupt enable.

Allowed values:
0: Disabled: LIN break detection interrupt disabled
1: Enabled: LIN break detection interrupt enabled

LBCL

Bit 8: Last bit clock pulse.

CPHA

Bit 9: Clock phase.

Allowed values:
0: First: The first clock transition is the first data capture edge
1: Second: The second clock transition is the first data capture edge

CPOL

Bit 10: Clock polarity.

Allowed values:
0: Low: Steady low value on CK pin outside transmission window
1: High: Steady high value on CK pin outside transmission window

CLKEN

Bit 11: Clock enable.

Allowed values:
0: Disabled: CK pin disabled
1: Enabled: CK pin enabled

STOP

Bits 12-13: STOP bits.

Allowed values:
0: Stop1: 1 stop bit
1: Stop0p5: 0.5 stop bits
2: Stop2: 2 stop bits
3: Stop1p5: 1.5 stop bits

LINEN

Bit 14: LIN mode enable.

Allowed values:
0: Disabled: LIN mode disabled
1: Enabled: LIN mode enabled

CR3

Control register 3

Offset: 0x14, reset: 0x0000, access: read-write

12/12 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
				ONEBIT rw	CTSIE rw	CTSE rw	RTSE rw	DMAT rw	DMAR rw	SCEN rw	NACK rw	HDSEL rw	IRLP rw	IREN rw	EIE rw

Toggle Fields

EIE

Bit 0: Error interrupt enable.

Allowed values:
0: Disabled: Error interrupt disabled
1: Enabled: Error interrupt enabled

IREN

Bit 1: IrDA mode enable.

Allowed values:
0: Disabled: IrDA disabled
1: Enabled: IrDA enabled

IRLP

Bit 2: IrDA low-power.

Allowed values:
0: Normal: Normal mode
1: LowPower: Low-power mode

HDSEL

Bit 3: Half-duplex selection.

Allowed values:
0: FullDuplex: Half duplex mode is not selected
1: HalfDuplex: Half duplex mode is selected

NACK

Bit 4: Smartcard NACK enable.

Allowed values:
0: Disabled: NACK transmission in case of parity error is disabled
1: Enabled: NACK transmission during parity error is enabled

SCEN

Bit 5: Smartcard mode enable.

Allowed values:
0: Disabled: Smartcard mode disabled
1: Enabled: Smartcard mode enabled

DMAR

Bit 6: DMA enable receiver.

Allowed values:
0: Disabled: DMA mode is disabled for reception
1: Enabled: DMA mode is enabled for reception

DMAT

Bit 7: DMA enable transmitter.

Allowed values:
0: Disabled: DMA mode is disabled for transmission
1: Enabled: DMA mode is enabled for transmission

RTSE

Bit 8: RTS enable.

Allowed values:
0: Disabled: RTS hardware flow control disabled
1: Enabled: RTS hardware flow control enabled

CTSE

Bit 9: CTS enable.

Allowed values:
0: Disabled: CTS hardware flow control disabled
1: Enabled: CTS hardware flow control enabled

CTSIE

Bit 10: CTS interrupt enable.

Allowed values:
0: Disabled: CTS interrupt disabled
1: Enabled: CTS interrupt enabled

ONEBIT

Bit 11: One sample bit method enable.

Allowed values:
0: Sample3: Three sample bit method
1: Sample1: One sample bit method

GTPR

Guard time and prescaler register

Offset: 0x18, reset: 0x0000, access: read-write

0/2 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
GT rw								PSC rw

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PSC

Bits 0-7: Prescaler value.

GT

Bits 8-15: Guard time value.

WWDG

0x40002c00: Window watchdog

6/6 fields covered. Toggle Registers

Show register map

Offset	Name	9	8	7	6	0
0x0	CR			WDGA	T
0x4	CFR	EWI	WDGTB		W
0x8	SR					EWIF

CR

Control register

Offset: 0x0, reset: 0x7F, access: read-write

2/2 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
								WDGA rw	T rw

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T

Bits 0-6: 7-bit counter (MSB to LSB).

Allowed values: 0x0-0x7f

WDGA

Bit 7: Activation bit.

Allowed values:
0: Disabled: Watchdog disabled
1: Enabled: Watchdog enabled

CFR

Configuration register

Offset: 0x4, reset: 0x7F, access: read-write

3/3 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
						EWI rw	WDGTB rw		W rw

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W

Bits 0-6: 7-bit window value.

Allowed values: 0x0-0x7f

WDGTB

Bits 7-8: Timer base.

Allowed values:
0: Div1: Counter clock (PCLK1 div 4096) div 1
1: Div2: Counter clock (PCLK1 div 4096) div 2
2: Div4: Counter clock (PCLK1 div 4096) div 4
3: Div8: Counter clock (PCLK1 div 4096) div 8

EWI

Bit 9: Early wakeup interrupt.

Allowed values:
1: Enable: interrupt occurs whenever the counter reaches the value 0x40

SR

Status register

Offset: 0x8, reset: 0x00, access: read-write

1/1 fields covered.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16

15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
															EWIF rw

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EWIF

Bit 0: Early wakeup interrupt flag.

Allowed values:
1: Pending: The EWI Interrupt Service Routine has been triggered
0: Finished: The EWI Interrupt Service Routine has been serviced